The air stone increases surface agitation, accelerates oxygen replenishment and helps release carbon dioxide build-up.
Air stones circulate the water keeping it airated. Useful in helping make compost teas as well as preventing algae buildup in your buckets. For acquairum use it's helpful for CO2 and plant growth.
Attach to air line tubing & air pump, and place in water.
Inner Diameter = 4 mm (3/16" Inner Diameter. Uses standard air tubing)
Outer Diameter = 6 mm (1/4" Outer Diamter. Uses standard air tubing)
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