BiOrb Air Stone | 24 Pond Supplies : Pond Liners, Pumps & Equipment

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BiOrb Air Stone

Over time the tiny pores in the air stone can become blocked by dirt and lime scale preventing air from getting through properly. Depending on your local water supply and the conditions in your biOrb an air stone can last anywhere from 3 months to 3 years.

Changing the air stone from time to time is advisable.

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