Kent Poly Ox is an organic material oxidizer. It does not contain any algaecide. It assists in preventing growth of various cyanobacteria (commonly called red or blue-green slime algae) by simply removing their food source. It will oxidize leftover food, and dissolved and suspended organic matter. This will increase the water quality and provide a better environment for your fish and invertebrates! For fresh or marine systems. Professional strength, phosphate and nitrate free.
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