lando
Aquarium Advice Addict
I was having some PO4 show up in my filtered water (.1) so I replaced all of the filters. I got a new sediment filter, new carbon filter, and a filter that is suppose to remove PO4 specifically. I get it all hooked up and run 20 gals. through it and discard that water. I run another 20 gal. to use in my tank. I tested the water for PO4 first and it was off the charts! Could I be getting a false positive from the new PO4 filter? Do you think my water is safe to use? It is a Kent Marine four stage RO/DI filter. Thanks! Lando