Phyto can help control nutrients in the way that it will help feed on them so use them up. I use phyto every day and notice when i lower my dose or stop that i get algae growth quicker. but it wont like help make algae on your rocks already there go away, it just helps control the nutrients that feed the algae.
As the title suggests, this is intended as a short guide on what to do when you suspect dinoflagellates are trying to overtake your system. It is an attempt to boil down the protocols discussed across 11,000 posts in this "Are you Tired" thread...