The fact that you have readable phosphate and nitrate is probably good enough. Don't play with anything that will reduce them and keep checking to make sure they are both present. You don't want them bottoming out is all.I raised my temp bit decided to bring it back down to 78F my digitata didn't like 82F.
So, am dosing bacteria but not Microbacter some other brand name complete start my LFS used it to beat his dinos .
My Cheato is keeping my phosphates at .06 and nitrates at 6ppm. This is a sps tank so can my corals handle the higher nitrates and phosphates if I cut my cheato to half hour it?