cant control nitrates while removing HA

[nrosdal]

Originally Posted by SmallFry

Just wondering - could the lack of phosphate because of the GFO be limiting the rate of growth (and nitrate take up) in your turf scrubber? I was under the impression that algae requires both nitrate and phosphate to grow..

it might if i keep with it later on.. but for right now i am using it to get me below the 1ppm mark because tank was well over 5 when i started. growth is very good on turf still and i will discontinue use pretty soon as my last test had me at just a hair over 1ppm of phosphte.