Aug 3, 2006 #1 S Scoot Aquarium Advice FINatic Joined Mar 14, 2006 Messages 670 Location Nebraska My phosphate test (AP brand) shows a perfect match on the FW test card (0.5ppm), but othing comes close on the SW card... anyone else run into this?
My phosphate test (AP brand) shows a perfect match on the FW test card (0.5ppm), but othing comes close on the SW card... anyone else run into this?