Phos-Out 4 removes Phosphate quickly and save from the water and improves sustainably the water quality in salt- and freshwater aquariums.
Phos-Out 4 binds organic and inorganic phophates on polymere base effectively, without influencing biology of your tank (does not contain heavy metals).
Phos-Out 4 applies controlled decrease of phosphate values in a way that is harmless for your animals, with some exeptions.