Grape Caulerpa; Chaeto I want to grow some macros to naturally knock the nitrates and phosphates down in my tank, to next to nil I just cant seem to drop to lower than 5-15ppm ever, it’s a FOWLR with hope of anemones and a few leathers maybe…any suggestions, My setup is a 55gal standard Fluval 404 fully loaded with 1 Purigen, and 2 cups carbon etc (bio-media) , a marine land 200 with carbon only, 260w compact fluor fixture, but only 130w 50/50 on right now, 70 lbs beautifully aging LR and about 4 inches LS assorted critters 1 sand sifter, 16 hermits & 3 emerald crabs, 8 Nassarius snails, 5 baby small asst damsels 2 maroon yellow stripe clowns and a lawn mower blenny, I want to advance this aquarium to a reef, but cant get my nitrates to drop,