Find Reviews and Compare Prices for:       All ProductsFilter Media     4.0 (2)   Add a review Kent Marine Phosphate Sponge 1 Qt   Kent Marine phosphate sponge is not an algaecide, but a ceramic medium which will absorb phosphates quickly (within hours) when placed directly in the water flow. Works in fresh and saltwater aquariums or ponds to bring... Have a question? Just Ask! Member Reviews Compare Prices Product Spec Send to a friend Set Price Alert Searched Kent Marine Phosphate Sponge 1 Qt in 150 stores, 2 results found Image Description   Store   Price Kent Marine 00021 Phosphate Sponge, 1-Quart Jar If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $5.74 Go to Store Kent Marine Phosphate Sponge Media 1Qt If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $23.17 Go to Store You can also search these stores   Find this product on eBay   eBay   5 Store Reviews   Search on eBay Are we missing a store? Let us know! Something wrong in this page? Let us know! Related products: More Chemical Filter Media Other Filter Media internal use: spec355