ROWAphos is a completely new phosphate-eliminating chemical developed in Germany. Unlike the aluminum-based phosphate sponges on the market, ROWAphos is a granular ferric hydroxide chemical capable of binding large quantities of phosphate, silicate and arsenic by adsorption.
It is completely safe for aquariums and does not negatively influence water quality in any way. No output of substances like aluminum as with other phosphate sponges will occur. When exhausted it does not release back into the water.
Depending on phosphate levels in the aquarium, ROWAphos can rapidly reduce phosphate levels to ZERO and can last for up to several months before having to be replaced. ROWAphos can be used in a canister filter or simply placed in its enclosed sock at the end of the main filtration process.
Contents approximately 5KG.
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Great but expensive Review by Ladnerman
Quality Price Value
I have had a phosphate problem for a while and found out everything you put in fish tanks contains some phosphates, when added up - all the small amounts multiply and cause a big problem - algae.
I have tried many different phosphate removers and have a media filter to aid in this process - but none of them worked very well, until I tried Rowa-phos. Rowa-phos removes phosphates as advertised and I use about a 1/2 kg every 3 months to maintain my 80 gal tank. The only problem is that costs $50.00 per KG - when you buy the 5 kg bucket - smaller sizes cost even more, so it is price prohibitive.
I hope the price drops soon, but we will have to see.
(Posted on 7/1/2017)