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and weighted air stones
560 = Acre Feet
smooth flow over lip
Spot Treatment 1 lb treats 4
Rubber Membrane Air Diffusers by Easy Pro Select Size:RAD12 - 12" with 3/8-1/2" Barb and weighted air stonesRubber membrane air diffusers are incredibly strong. Ideal for pond aeration, circulation, and destratifying applications. These diffusers are an excellent alternative to air stones because they are easy to clean. In testing they produce a slightly larger air bubble than air stones which translates into less oxygen transfer into the water, so for fish holding tanks, raceways, fish production ponds, etc. we recommend air stones Barbed inlets have
