Phosphate Controller – Water Dispersible Powder of an Ionically Modified Clay.
PKO is a type of bentonite that removes phosphate from freshwater and marine aquariums by creating a new insoluble element that binds to interstitial phosphate in the sediment. It is safe for use in aquariums and does not generate ecotoxicity.
Highlights:
- Removes Phosphate from water within three hours of application
- It is not an algaecide
- One kilogram of PKO removes more than 30 grams of PO4 (1 gr – 0.34 ppm)
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PKO dosages depend on water phosphate levels and external sources of phosphorus in the aquarium
- Can be used with a dosing pump (1:4 ratio with RO water)
- Size 250g






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