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Ships within 48 hours · Estimated delivery Sep 22 - Sep 27
They penetrate and degrade pond muck by stimulating naturally occurring beneficial bacteria and adding to them
Tanks are blue in colour
This black tubing is ideal for air lines or water lines
200 sheets per pack
7" Round Aluminum Oxide Airstones Fitting:1/2" Barb (for Poly pipe) They penetrate and degrade pondDescription Unlike the standard silica airstones, these can be cleaned time and time again without wearing down. These airstones are made of aluminum oxide, the same material used for grinding stones which makes them extremely durable. With increased durability, there has been nothing sacrificed in the quality of aeration delivered to your pond, tank or lagoon. These stones have been specifically designed to work well in an earth bottom pond. The 7
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