Hey guys, I have a 55 gallon tank and sump with another 15+ gallons, Octopus sss1000 skimmer, JNS Alpha biopellet reactor, 7" filter sock, IM desktop GFO reactor.
I cannot get my nitrates below 20ppm and Phosphate jumps around between .03 to .15 at times when in need of new GFO. I am at the...