Originally Posted by beaslbob

With that growth I am positive you simply need to let the macros expand until nitrates drop down. Once you reach that point nitrates will drop down very rapidily. With significant daily drops.

One poster noticed that all the sudden nitrates were 0. He was so surprised that he measured them 3 times to make sure.

fortunately once that point is reached it just seems to be so easy to keep nitrates at 0.

But then cyano can show up after that.

my .02