Blue Diamond EPDM Round Air Diffuser DISC | 2 Sizes Size:12 in. these floats are resistant to

these floats are resistant to UV and degradation from the elements

brush nozzle

container treats up to 3

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Barley straw has been used for hundreds of years to promote clean & clear water in ponds and streams

Blue Diamond EPDM Round Air Diffuser DISC | 2 Sizes Size:12 in. these floats are resistant toBlue Diamond's EPDM Flexible Membrane Disc Diffuser provides high dissolved oxygen levels, perfectly suited for use in hydroponics, fish tanks, koi ponds, as well as lakes. This heavy duty diffuser is clog resistant and the hundreds of slots in the membrane provide excellent uniform bubble distribution.