I have a 60 gal tank, kh 6, pH 7, diy Co2, tap water no3 = 5 - 10 ppm. Daily fertilizer includes iron, MgSO4, and KCl, to suggested levels, daily 1,5 gal water change, light is provided by 6 t8's (3100, 5000 and 6500 K philips tubes 2 each temp) plants (Anubias, Swords, Aponogeton, Vallisnerias, Sagitarias, around 40 total) grow well, pearling present, but a cronic problem with algae growing in the plants mainly (Dark algae deep brown to black) I've tried PMDD for 4 months, just started 2 weeks ago with 0.5 PO4 with no improvement, fish load is 4 angels, 2 clown loaches, 10 danios, 2 corys, 1 pleco, 3 algae eaters,
Any ideas?
Any ideas?