{"title":"Aquarium Hydrometers","description":"\u003cp\u003eAquarium Hydrometers\u003c\/p\u003e","products":[{"product_id":"b08nfpxz46","title":"Marine Hydrometer Reef Fish Tank Aquarium Water Salinity Specific Gravity Test","description":"\u003cdiv\u003e\u003c\/div\u003e","brand":"MARO","offers":[{"title":"Default Title","offer_id":51344796614934,"sku":"B08NFPXZ46","price":10.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/6254\/8758\/files\/61zqpvQCWkL._AC_SX679.jpg?v=1779852206"},{"product_id":"b073rhcyh7","title":"imagitarium by Petco Aquatic Refractometer","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eAquatic Refractometer from Imagitarium\u003c\/li\u003e\n\u003cli\u003eMeasures on Specific Gravity and Parts per Thousand scales\u003c\/li\u003e\n\u003cli\u003eFeatures automatic temperature compensation\u003c\/li\u003e\n\u003cli\u003eIncludes refractometer, dropper, calibration screwdriver, cleaning cloth and instructions\u003c\/li\u003e\n\u003cli\u003eFor saltwater aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Petco","offers":[{"title":"Default Title","offer_id":51344796582166,"sku":"B073RHCYH7","price":51.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/6254\/8758\/files\/41GsfhGRtbL._AC_SX679.jpg?v=1779852206"},{"product_id":"b0002566ds","title":"Coralife Aquarium Fish Tank Deep Six Hydrometer For Measuring Water Salinity PPT and Specific Gravity","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eTRACK SALINITY to keep your aquarium healthy and stable\u003c\/li\u003e\n\u003cli\u003eEASY-TO-READ SCALE with clear, precise markings\u003c\/li\u003e\n\u003cli\u003eACCURATE TO ±0.001 specific gravity units\u003c\/li\u003e\n\u003cli\u003eBUBBLE-RESISTANT DESIGN ensures reliable readings\u003c\/li\u003e\n\u003cli\u003eCALIBRATED FOR WARM aquariums (68-85 °F \/ 20-30 °C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eOverview\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eBrand : Coralife\u003c\/li\u003e\n\u003cli\u003eMaterial : cotton\u003c\/li\u003e\n\u003cli\u003eItem dimensions L x W x H : 5.5 x 1 x 8.7 inches\u003c\/li\u003e\n\u003cli\u003eItem Weight : 3.2 Ounces\u003c\/li\u003e\n\u003cli\u003eNumber of Items : 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Coralife","offers":[{"title":"Default Title","offer_id":51344796647702,"sku":"B0002566DS","price":20.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/6254\/8758\/files\/71n7B7Wl-TL._AC_SX679.jpg?v=1779852206"},{"product_id":"b001ehjo2s","title":"American Marine PINPOINT Salinity Monitor + Calibration Fluid","description":"\u003cdiv\u003e\u003c\/div\u003e","brand":"Pinpoint","offers":[{"title":"Default Title","offer_id":51344796549398,"sku":"B001EHJO2S","price":189.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/6254\/8758\/files\/51DnoPgrhHL._AC.jpg?v=1779852206"},{"product_id":"b082d8ybx3","title":"Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium, Saltwater Tester Hydrometer, Dual Sacle 0-100ppt \u0026 1.000-1.070 Specific Gravity with ATC Automatic Temperature Compensation","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e✅DUAL SCALE MEASURES SALT PERCENT AND SG:Specific gravity,range: 1.000-1.070 g\/cm3, resolution: 0.001 g\/cm3.Salt percent, range: 0-100 ppt ( or say parts per thousand), resolution: 1 ppt.It is designed for the measurement of seawater (marine aquaria) or very low concentrated salt solutions.\u003c\/li\u003e\n\u003cli\u003e✅ ENDLESS APPLICATION AND EASY TO USE,:Ideal for testing and monitoring aquariums,fish tank, saltwater pool,seawater.Just need 2-3 drops of solution, you can get accurate readings. No batteries needed.\u003c\/li\u003e\n\u003cli\u003e✅ATC TECHNOLOGY:Handheld Salinity Refractometerr with Automatic Temperature Compensation(ATC),no more worry about the temperature change will influence the reading accuracy.the fish keeping refractometer will account for changes in ambient temperature and automatically compensate accordingly to provides accurate and repeatable measurements.\u003c\/li\u003e\n\u003cli\u003e✅AIRCRAFT ALUMIUM BODY MATERIAL:The aquarium refractometer is made of non-staining, non-corrosive and non-reactive aluminum which is lightweight to carry,anti-scratch and durable.\u003c\/li\u003e\n\u003cli\u003e✅WIDE APPLICATION: It is for measuring the salinity of salt water quickly and accurately, ideal for agriculture, industry and research application, such as mariculture, fish culture, aquarium, marine survey, water quality monitoring, salt production, manufacture of normal saline, salinity measurement in food processing etc. Can also be used for medical institutions, university research and so on.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Abuycs","offers":[{"title":"Default Title","offer_id":51344796680470,"sku":"B082D8YBX3","price":21.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/6254\/8758\/files\/515GklO5Z_L._SX522.jpg?v=1779852206"},{"product_id":"b005703qxq","title":"Dupla Marin 81613 Hydrometer Glass Cylinder \/ 500 ml","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eMakes it easier to read a hydrometer.\u003c\/li\u003e\n\u003cli\u003e500 ml\u003c\/li\u003e\n\u003cli\u003ePrecision hand-made in Germany\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eOverview\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial : Glas\u003c\/li\u003e\n\u003cli\u003eCapacity : 500 Milliliters\u003c\/li\u003e\n\u003cli\u003eBrand : Dupla Marin\u003c\/li\u003e\n\u003cli\u003eItem dimensions L x W x H : 15.16 x 4.33 x 3.9 inches\u003c\/li\u003e\n\u003cli\u003eItem Weight : 0.34 Kilograms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"MARO","offers":[{"title":"Default Title","offer_id":51344796713238,"sku":"B005703QXQ","price":66.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/6254\/8758\/files\/51jeK2PcPsL._AC_SX679.jpg?v=1779852206"},{"product_id":"b0cs2yt3jg","title":"Glass Aquarium Hydrometer with Built-in Thermometer Marine Floating Salt Water Salinity Tester Range 1.000-1.060 7.87in, 20cm","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e¡ï For Salt Water \/ Marine Aquariums.\u003c\/li\u003e\n\u003cli\u003e¡ï Easy to use.\u003c\/li\u003e\n\u003cli\u003e¡ï Measure both Temperature and Specific Gravity of the water.\u003c\/li\u003e\n\u003cli\u003e¡ï Green indicators are for ideal range of water temperature and specific gravity for most salt water \/ marine aquariums.\u003c\/li\u003e\n\u003cli\u003e¡ï Instruction:Place the hydrometer into water, and let it flow freely in the water; 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Whether you're a cook checking the salt levels during food preparation or someone trying to control your salt intake and protect your health, the YINMIK salt meter is your best salt reader. Additionally, it can monitor the salinity of saltwater pools.\u003c\/li\u003e\n\u003cli\u003eDigital Sodium Checker at Home - YINMIK digital salinity meter offers 3 salinity modes: PPT, %, and SG. Whether you prefer testing the specific gravity or salinity levels of water food fermented, you'll find a comfortable salinity testing mode on the YINMIK salinity testing kit. Furthermore, this salinity meter also functions as an food thermometer, eliminating the need for a separate food temperature sensor.\u003c\/li\u003e\n\u003cli\u003eMultifunctional Salinity Testing Equipment - The YINMIK salt meter is a salinity testing device with a color digital backlight display screen, enabling salt testing even in dimly lit environments and saving the time spent guessing values using a salt refractometer. And, the salinity meter has an ATC function, allowing for accurate salinity level readings in samples subject to temperature variations! The YINMIK salinity meter can help you overcome the inaccuracies of hydrometers!\u003c\/li\u003e\n\u003cli\u003ePortable Salinity Meter with All the Necessary Accessories – Hanging strap and pocket-sized design for easy storage and carrying; Extra AAA batteries to extend the Salt meter's operating time; Electrode cleaning solution to prevent the salt probe from oxidizing and becoming inaccurate; And 111.8 mS\/cm calibration solution to maintain electrode accuracy.\u003c\/li\u003e\n\u003cli\u003ePacking List and Service - Packing list: 1*YINMIK salinity meter, 2*AAA batteries, 1*50mL 111.8mS calibration solution, 1*50mL electrode cleaning solution, 1*sample spoon, 1*hanging rope. 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It perfectly suits freshwater, brackish water and marine farming environments, allowing you to accurately monitor salinity for various species including fish, shrimp, crabs and coral reefs.\u003c\/li\u003e\n\u003cli\u003eFast Testing with Auto-Lock \u0026amp; Vibration Alert: Immerse the probe into the water sample for instant salinity and temperature dual readings—no complicated operation required. The auto-lock function secures measured values and triggers a vibration prompt, perfect for noisy aquaculture farms\/ponds to let you read data timely. One-click unlock enables secondary testing without taking the pen out of the water for efficient monitoring.\u003c\/li\u003e\n\u003cli\u003eIdeal Design: Our Salt Meter is equipped with a 2.2*0.5inch wide-view color backlit display with clear fonts, providing easy reading even in low-light aquaculture sites. Built-in low battery reminder keeps detection status clear at a glance. The pen top has a reserved hole for adding a lanyard, convenient for hanging and storage in aquaculture sites.\u003c\/li\u003e\n\u003cli\u003ePlatinum-Plated Electrode: Equipped with high-precision anti-corrosion platinum-plated metal electrodes, the meter excels in saltwater aquaculture environments with strong corrosion resistance. Concave electrode design minimizes interference when measuring near container walls, ensuring stable and accurate readings for long-term continuous monitoring of aquaculture water.\u003c\/li\u003e\n\u003cli\u003eWhat You Gain: 1x LH-SA50 Digital Salinity Meter, 2x AAA Batteries, 1x User Manual, 1x cleaning cloth, 1x Cover opener(Plum blossom shape)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"LOHAND","offers":[{"title":"Default Title","offer_id":51344796975382,"sku":"B0F942BH9L","price":100.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/6254\/8758\/files\/41L7O5O07lL._SX522.jpg?v=1779852208"},{"product_id":"b0bg1tf8wt","title":"hygger Salinity Tester, Transparent Acrylic Aquarium Hydrometer Sea Specific Gravity Test Salinity Meter for Fish Tank Pond Water Saltwater Freshwater, Accurate Automatic Hydrometer","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e🐟Marine hydrometer: Tests salinity and specific gravity in marine aquariums to help maintain a healthy tank\u003c\/li\u003e\n\u003cli\u003e🐟Easy to Read \u0026amp; Use: Simply dunk in aquarium to fill with water, then set on level surface to read. The easy-to-read swing-arm pointer and extra wide stable base provide an accurate test result.\u003c\/li\u003e\n\u003cli\u003e🐟Specification: The reading is temperature-corrected and accurate to +\/-0.001. The unit of specific gravity is 1. 000-1. 030 (ppt value: 0-43.9 degrees), the safe area is 1.020-1.023 (ppt value: 30.2-34.2 degrees), and the low specific gravity area is 1.000-1.019 (ppt value: 0- 28.9 degrees), the higher specific gravity area is 1.024-1.030 (ppt value: 35.5-43.9 degrees).\u003c\/li\u003e\n\u003cli\u003e🐟Safe Material: The salinity tester is made of transparent acrylic material, which is relatively hard and easy to read the salt and specific gravity of your marine aquarium. After use, soak this saltwater meter in mild acid(vinegar) for 30 minutes, rinse with tap water and air dry.\u003c\/li\u003e\n\u003cli\u003e🐟Wide Usage: Fit for brackish and reef salt marine aquariums. Perfect for testing both salinity and specific gravity of your brackish and marine tank.Includes salinity and specific gravity scales.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eOverview\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eBrand : hygger\u003c\/li\u003e\n\u003cli\u003eMaterial : Acrylic\u003c\/li\u003e\n\u003cli\u003eNumber of Items : 1\u003c\/li\u003e\n\u003cli\u003eUnit Count : 1.00 Count\u003c\/li\u003e\n\u003cli\u003eNumber of Packs : 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"hygger","offers":[{"title":"Default Title","offer_id":51344796942614,"sku":"B0BG1TF8WT","price":14.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/6254\/8758\/files\/61vh0Z49xWL._AC_SX679.jpg?v=1779852207"},{"product_id":"b07z4q5y7c","title":"Reptile Hygrometer Thermometer, Digital Amphibian Hygrometer Thermometer with Hook, Temperature Humidity Meter Gauge for Reptile Tanks, Terrariums, Vivarium, LCD Display (2 Packs)","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e100% Brand New and High-Quality Reptile Tank Thermometer Hygrometer: Precise supervision of the temperature and air humidity in terrariums, vivariums and reptile tanks.\u003c\/li\u003e\n\u003cli\u003eStylish Design: Stylish looking digital vivarum thermometer with hook and loop for easy to install to any reptile tanks or terrariums. 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And provide 365 days warranty, in case of any quality problems, please feel free to contact us by email, we will give you a satisfactory solution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eOverview\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eBrand : GXSTWU\u003c\/li\u003e\n\u003cli\u003eSpecial Feature : Ultra Clear Screen\u003c\/li\u003e\n\u003cli\u003eAge Range (Description) : Adult\u003c\/li\u003e\n\u003cli\u003eIncluded Components : Thermohygrometer、LR44 battery\u003c\/li\u003e\n\u003cli\u003eOuter Material : Plastic\u003c\/li\u003e\n\u003cli\u003eSpecification Met : CE\u003c\/li\u003e\n\u003cli\u003eDisplay Type : Digital\u003c\/li\u003e\n\u003cli\u003eProduct Care Instructions : Wipe Clean\u003c\/li\u003e\n\u003cli\u003eUnit Count : 1.0 Count\u003c\/li\u003e\n\u003cli\u003ePower Source : Battery Powered\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"GXSTWU","offers":[{"title":"Default Title","offer_id":51344797008150,"sku":"B07Z4Q5Y7C","price":23.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/6254\/8758\/files\/71geN2r_GHL._AC_SX679.jpg?v=1779852208"},{"product_id":"b09jyhwxxk","title":"Digital Salinity Meter 3-in-1 Saltwater Tester – Specific Gravity, Salinity \u0026 Temperature Pen Hydrometer, High Accuracy Water Quality Tester for Aquarium, Marine, Pool, Hydroponics, Aquaculture","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eSmart \u0026amp; Easy to Use – Backlit LCD screen for clear readings, automatic temperature compensation (ATC), and audible beeps at the start and finish of testing. Designed for quick, hassle-free measurements.\u003c\/li\u003e\n\u003cli\u003e3-in-1 Salinity Testing – Measures Specific Gravity (1.000–1.045), Salinity (0–55 ppt), and Temperature (1–99 °C). Perfect for aquariums, marine reef tanks, swimming pools, hydroponics, aquaculture, and more.\u003c\/li\u003e\n\u003cli\u003eHigh Accuracy \u0026amp; Resolution – Specific Gravity resolution 0.001 (±0.002), Salinity 0.1 ppt (±1 ppt), and Temperature ±1 °C. Detects even subtle water quality changes for reliable monitoring.\u003c\/li\u003e\n\u003cli\u003eAuto Power-Saving Design – Turns off automatically after 60 seconds of inactivity. Low battery indicator ensures uninterrupted testing. Powered by 2 × AAA batteries for convenience.\u003c\/li\u003e\n\u003cli\u003ePortable \u0026amp; Durable Build – Compact pen-type body fits easily in one hand. Life waterproof design makes it ideal for both indoor lab work and outdoor field testing. Carry anywhere for instant, accurate water measurements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Anbachi","offers":[{"title":"Default Title","offer_id":51344797040918,"sku":"B09JYHWXXK","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/6254\/8758\/files\/417OdE0aEpL._AC_SX679.jpg?v=1779852208"},{"product_id":"b08tj28xc1","title":"Salinity Refractometer for Aquarium Seawater Marine Fishkeeping Salinity Tester 0-100PPT \u0026 1.000-1.070 Salinity Hydrometer Slatwater Refractometer with Automatic Temperature Compensation (ATC)","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eMEASURES ON 2 SCALES - Aquarium Refractometer features specific gravity (D20\/20) 1.000-1.070 and parts per thousand 0~100‰ , allow to get two results in different units by one test\u003c\/li\u003e\n\u003cli\u003eWIDELY USE - Salinity Refractometer measures saltwater, salinity of water or seawater, ideal for aquariums, marine monitoring, fish-keeping, and saltwater pools\u003c\/li\u003e\n\u003cli\u003eATC FUNCTION - Saltwater refractometer with automatic temperature compensation (ATC) function, allow you to obtain the accurate result faster and easier\u003c\/li\u003e\n\u003cli\u003eEASY TO USE - Put 2-3 drops of sample on the refracotmter’s prism, towards light, read the accurate readings through the optics eyepiece directly\u003c\/li\u003e\n\u003cli\u003eDURABLE MATERIAL: The optic salinity tester is made of aluminum and ABS rubber, anti-rust, non-staining and resistant abrasion. Portable Refractometer comes with plastic case, mini screwdriver,a dropper and a cleaning cloth\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hallocool","offers":[{"title":"Default Title","offer_id":51344797073686,"sku":"B08TJ28XC1","price":23.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/6254\/8758\/files\/61sdTgf7zcL._AC_SX679.jpg?v=1779852208"},{"product_id":"b07fylqbby","title":"AUNMAS Refractometer Salinometer, Seawater Salinity Meter Aquarium Optics Refractometers Temperature ATC Digital 0-10% Aquarium Sea Water Pool Marine Fishkeeping Hydrometer Measurement","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eMEASUREMENT RANGE: 0 to 10% salinity with 0.01% accuracy for precise readings\u003c\/li\u003e\n\u003cli\u003eSTRUCTURE \u0026amp; DESIGN: Copper construction featuring main prism, daylight plate, calibration screw, rubber grip, focus adjustment, and eyepiece. You can adjust the prism when you cannot see scale clearly. The soft rubber eye piece provides comfortable viewing\u003c\/li\u003e\n\u003cli\u003eEASY TO USE: Place 2 drops of sample on the main prism and close the panel, then hold the refractometer up to the light and look through the eyepiece\u003c\/li\u003e\n\u003cli\u003eWIDE USAGE: The salinity refractometer can test the concentration of salt water for aquarium marine monitoring in scientific research and clinical laboratories\u003c\/li\u003e\n\u003cli\u003eFULL KIT: Includes 1 storage case with inner protective tray, 1 salinity refractometer, 1 mini screwdriver, 1 cloth, 1 pipette, and 1 instruction manual\u003c\/li\u003e\n\u003cli\u003eAUTOMATIC TEMPERATURE COMPENSATION: Features ATC (Automatic Temperature Compensation) for accurate measurements across varying temperature conditions in marine and aquarium applications\u003c\/li\u003e\n\u003cli\u003eVERSATILE APPLICATIONS: Suitable for mariculture, fish culture, aquarium maintenance, marine survey, water quality monitoring, salt production, and manufacture of normal saline solutions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AUNMAS","offers":[{"title":"Default Title","offer_id":51344797106454,"sku":"B07FYLQBBY","price":29.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/6254\/8758\/files\/61J99m7KtSL._AC_SX679.jpg?v=1779852209"},{"product_id":"b07z7y1g72","title":"Reptile Hygrometer Thermometer, Digital Amphibian Hygrometer Thermometer with Hook Temperature Humidity Meter Gauge for Reptile Tanks, Terrariums, Vivarium, LCD Display 1pack","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e100% Brand New and High-Quality Reptile Tank Thermometer Hygrometer: Precise supervision of the temperature and air humidity in terrariums, vivariums and reptile tanks.\u003c\/li\u003e\n\u003cli\u003eStylish Design: Stylish looking digital vivarum thermometer with hook and loop for easy to install to any reptile tanks or terrariums. Comes with a battery so you can use the thermometer immediately.\u003c\/li\u003e\n\u003cli\u003eFantastic Value: This accurate reptile thermometer and hygrometer allows you to monitor the temperature and humidity in the reptile tanks at all times to makesure your beloved reptiles are in perfect health.\u003c\/li\u003e\n\u003cli\u003eFahrenheit Celsius Convertible: Temperature can be display in Fahrenheit or Celsius by press the C\/F hole on the back of the item with a paper clip.\u003c\/li\u003e\n\u003cli\u003eQuality Guaranteed: Our carefully sourced range of thermometer hygrometers are manufactured to the highest of standards our customers expect.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eOverview\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eBrand : GXSTWU\u003c\/li\u003e\n\u003cli\u003eSpecial Feature : Ultra Clear Screen\u003c\/li\u003e\n\u003cli\u003eColor : silver\u003c\/li\u003e\n\u003cli\u003eAge Range (Description) : Adult\u003c\/li\u003e\n\u003cli\u003eIncluded Components : Thermometer body, LR44 battery\u003c\/li\u003e\n\u003cli\u003eOuter Material : Paper\u003c\/li\u003e\n\u003cli\u003eDisplay Type : Digital\u003c\/li\u003e\n\u003cli\u003eProduct Care Instructions : Wipe Clean\u003c\/li\u003e\n\u003cli\u003eUnit Count : 1.0 Count\u003c\/li\u003e\n\u003cli\u003ePower Source : Battery Powered\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"GXSTWU","offers":[{"title":"Default Title","offer_id":51344797139222,"sku":"B07Z7Y1G72","price":13.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/6254\/8758\/files\/71QWej3vBJL._AC_SX679.jpg?v=1779852209"},{"product_id":"b07r1tvrkf","title":"Abnaok Salinity Tester, Sea Specific Gravity Test for Fish Tank Pond Water Saltwater Freshwater, Accurate Automatic Hydrometer","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eSafe Material:Made of plastic,aquarium clear Automatic Accurate Readable SaltWater Hydrometer.\u003c\/li\u003e\n\u003cli\u003eDurable Clear Acrylic:Accurate, durable, and easy to read your marine aquarium's salt level and specific gravity,Small and waterproof.if the specific gravity between 1.000 - 1.019,show that the specific gravity is small;if the specific gravity between 1.020 - 1.023,show that the specific gravity is nomal;if the specific gravity between 1.024 - 1.030,show that the specific gravity is big;\u003c\/li\u003e\n\u003cli\u003eClearly Safe Zone Indicated:Includes solinity and specific grovity scales.The outside rang of scale indicates salinity(PPT).The inside range of scale indicates gravity.And with safe zone clearly indicated.Range of use: 0-40 degrees (1.000-1.030).If the salinity ppt between 32 - 40，show that the salinity hydrometer is high;If the salinity ppt between 27 - 31，show that the salinity hydrometer is normal; If the salinity ppt between 0 - 26，show that the salinity hydrometer is light.\u003c\/li\u003e\n\u003cli\u003eWide Usage:Fit for brackish and marine aquariums.Perfect for testing both salinity and specific gravity of your brackish and marine tank.Includes solinity and specific grovity scales.Suitable for fresh water and sea water.\u003c\/li\u003e\n\u003cli\u003eEasy to Read and Use:The easy-to-read swing-arm pointer and extra wide stable base provide an accurate test result.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Abnaok","offers":[{"title":"Default Title","offer_id":51344797171990,"sku":"B07R1TVRKF","price":16.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/6254\/8758\/files\/71AZapnN4gL._AC_SX679.jpg?v=1779852209"},{"product_id":"b07fxv8kz3","title":"boxtech Aquarium Marine Test, Sea Saltwater Hydrometer, Reef Ocean Hydrometer Salinity Meter for Pool Aquarium Water Salinity Specific Gravity Test","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e🐠 Safe Material \u0026amp; Unique Design: Made of durable Acrylic, this Fish Tank Test Kit salinity Hydrometer is designed with an automatic level function\u003c\/li\u003e\n\u003cli\u003e🐠 Quickly, easily, and accurately measurement: With this hydrometer saltwater aquarium test kit, you can test your marine aquarium's salt level and specific gravity, and It is optimum to be put into below 6\" deep water to avoid the error caused by the oil film on the water\u003c\/li\u003e\n\u003cli\u003e🐠 Higher Accuracy \u0026amp; safe zone indicated: Readings are temperature-corrected \u0026amp; accurate to +\/- 0. 001. specific gravity units ranges from 1. 000 - 1. 030 with a safe zone of 1.020-1.023. The outside range of scale indicates salinity ppt, ranges from 0-40, safe zone is 27-31\u003c\/li\u003e\n\u003cli\u003e🐠Easy to Read \u0026amp; Clean: The easy-to-read swing-arm pointer and extra wide stable base provide an accurate test result. After use, soak this saltwater meter in mild acid(vinegar) for 30 minutes, rinse with tap water and air dry. Do not disassemble\u003c\/li\u003e\n\u003cli\u003e🐠 Wide Usage:Fit for brackish and reef salt marine aquariums. Perfect for testing both salinity and specific gravity of your brackish and marine tank.Includes salinity and specific gravity scales.Suitable for fresh water and sea water\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eOverview\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eBrand : boxtech\u003c\/li\u003e\n\u003cli\u003eItem Weight : 50 Grams\u003c\/li\u003e\n\u003cli\u003eItem Form : handheld\" or \"portable\u003c\/li\u003e\n\u003cli\u003eUnit Count : 1 Count\u003c\/li\u003e\n\u003cli\u003eManufacturer : boxtech\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Boxtech","offers":[{"title":"Default Title","offer_id":51344797204758,"sku":"B07FXV8KZ3","price":14.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/6254\/8758\/files\/61V4pbJuCHL._AC_SY879.jpg?v=1779852209"},{"product_id":"b07sl4v6y5","title":"Premium Salinity Refractometer with Automatic Temperature Compensation for Saltwater, Aquarium, Marine Reef Tank Testing - Dual Scale (0-100ppt \u0026 1.000 to 1.070 S.G.)","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Hand-held analog salt meter; Light-weight, portable, includes protective carrying case\u003c\/li\u003e\n\u003cli\u003e✔ Measures concentration of salt and dissolved solids in aqueous solution\u003c\/li\u003e\n\u003cli\u003e✔ Provides reading in parts per thousand (0-100PPT) and specific gravity (1.000 to 1.070 SG)\u003c\/li\u003e\n\u003cli\u003e✔ Ideal for on-site measurements in processing and storage areas, or in the field\u003c\/li\u003e\n\u003cli\u003e✔ Determine salinity during preparation of pickles, seafood products, frozen vegetables and fruits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"MARO","offers":[{"title":"Default Title","offer_id":51344797237526,"sku":"B07SL4V6Y5","price":28.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/6254\/8758\/files\/71NMKSgWv_L._SX522.jpg?v=1779852209"},{"product_id":"b07fzwwjt9","title":"Pinpoint® Salinity Meter Kit","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eDisplays a digital readout\u003c\/li\u003e\n\u003cli\u003eFully temperature compensated\u003c\/li\u003e\n\u003cli\u003eConversion chart included\u003c\/li\u003e\n\u003cli\u003eComes complete with meter, probe and calibration fluid\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"PINPOINT+by+American+Marine+Inc.","offers":[{"title":"Default Title","offer_id":51344797270294,"sku":"B07FZWWJT9","price":204.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/6254\/8758\/files\/61N-WfFameL._SX522.jpg?v=1779852210"},{"product_id":"b0bz74xcmj","title":"Professional Salinity Refractometer,Salinity Tester, Salt Tester for Saltwater Pool, for Saltwater Aquarium, Pools, and Tanks,Dual Scale 0-100 PPT \u0026 Specific Gravity 1.000-1.070 with ATC Function","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eSalinity Refractometer：This refractometer measure salt water or salinity of water, ideal for aquariums and marine monitoring.\u003c\/li\u003e\n\u003cli\u003eDual Scale: Measures on 2 scales, Specific Gravity (D 20\/20) and parts per thousand. Density of 1.0-1.070 with min scale of 0.001.Concentration of 0-100‰, with min scale of 1‰\u003c\/li\u003e\n\u003cli\u003eWith ATC Function：Features automatic temperature compensation.ATC：50℉-86℉ (10℃~ 30℃),No Batteries.\u003c\/li\u003e\n\u003cli\u003eDurable and Portable:The refractometer is made of aluminum and ABS rubber, anti-rust, non-staining and resistant abrasion.\u003c\/li\u003e\n\u003cli\u003eIncludes：Salinity refractometer comes with a hard case, dropper, screwdriver, user manual,cleaning cloth and Portable USB LED Light easy to calibration and reading\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"TOOGOND","offers":[{"title":"Default Title","offer_id":51344797303062,"sku":"B0BZ74XCMJ","price":23.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/6254\/8758\/files\/71-JYgNcxdL._AC_SX679.jpg?v=1779852210"},{"product_id":"b07cb5kdyl","title":"AUTOUTLET Refractometer Saltwater Aquarium for Seawater,Pool,Tank,Testing,Marine Fishkeeping, 0-100PPT \u0026 1.000-1.070 Salinity Tester with ATC Function Hydrometer Specific Gravity Salinity Meter Kit","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e【AUTOUTLET Salinity Refractometer】This salinity tester is used to measure salinity of brine\/seawater, monitor and control the concentration of saltwater. Ideal for aquariums and marine applications.\u003c\/li\u003e\n\u003cli\u003e【Measures on 2 Scales】This saltwater hydrometer measures on dual scales: specific gravity and salinity. Ideal for aquariums, marine monitoring, agriculture, gardening and educational purposes.\u003c\/li\u003e\n\u003cli\u003e【Measurement Range】Density of 1.0-1.070 with min scale of 0.001. Concentration of 0-100‰, with min scale of 1‰ (1‰=1PPT=1000PPM, PPT means “parts per thousand”, PPM means “parts per million”)\u003c\/li\u003e\n\u003cli\u003e【With ATC Function】ATC compensation Range (i.e. Built-in Automatic Temperature Compensation System) from 10℃ to 30℃.\u003c\/li\u003e\n\u003cli\u003e【Solid and Lightweight】Salinity meter is made of durable aluminum, which is non-staining, non-corrosive and rustless. 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