<a href=showthread.php?s=&postid=6565780#post6565780 target=_blank>Originally posted</a> by Travis
When I was running rowa I noticed that it caused calcium carbonate to precipitate out of the water and I would get calcium carbonate crystals fluidizing in with the GFO. The ROWA also turned into a brick after a month or so from the precipitation. I posted it to Randy at the time and he did confirm it was precipitation of calcium carbonate. But I'm suprised it is having such a profound effect on your system. Are you running your calcium reactor or just dosing the 2 part for now?
I only use 250Ml on my 200G with no problems. JBNY had problems when he use to much ROWA . I think i can go up to 500Ml but that is max.Zoom, I was running whatever the large container was... 1000ml I believe.