Hi all, I'm currently using a combination of carbon dosing (7.6mls vodka/day), skimmer, purigen, gfo, ROX carbon, and a tiny HOB refugium with chaeto using a Par38 light in my 75g. I feed pretty heavily . My nitrates and phosphates are generally very low, N03 < 5ppm PO4 <.1ppm. I wanted to stop...