4" x 2" Air Stones for Hydroponics & DWC Buckets - High-Flow Cylinder Aerator for Compost Tea Brewing, Koi Pond & Aquarium Fish Tank - Non-Clogging Silicon Carbide Bubbler (6-Pack)
[Maximize Root Growth in DWC & Hydroponics] Designed for 5-gallon buckets and nutrient reservoirs. The 4-inch cylinder shape sinks firmly to the bottom, delivering a dense curtain of micro-bubbles that fully saturate your nutrient solution. Essential for supporting healthy root systems and accelerating plant yield.
[Ideal for Compost Tea Brewing & Koi Ponds] Engineered with high-temperature sintered silicon carbide to withstand acidic environments. Produces powerful aeration turbulence needed for brewing high-quality compost tea or oxygenating crowded koi ponds. Won't disintegrate or degrade over time like cheap mineral stones.
[Washable & Anti-Clogging Durability] Eliminate the need for frequent replacements. Our reusable stones can be easily cleaned with a brush or acid wash to restore performance. The reinforced nozzle connection ensures 100% of air goes through the stone pores, not leaking from the stem.
[Universal Fit for 3/16" Tubing] Compatible with standard airline tubing and high-output air pumps (Recommended >10W). Whether you are running a commercial air pump for a grow room or a strong aquarium pump, these stones handle high pressure without floating. Note: Please soak for 1 hour before first use.
Safe for All Aquatic Life & Systems Made from high-purity material that will not alter pH levels or leach impurities into your water. Completely safe for sensitive fish, shrimp, and hydroponic plants. The value 6-pack is perfect for scaling up your grow room operations or managing multiple fish tanks efficiently.
