For what it's worth, my tank routinely sits in the .4 phosphate range and my corals thrive. So numbers are just guidelines but does not mean a tank can not flourish in different parameters ranges also. Stability is key and a healthy diverse biome.41 today so up .11 in 2 days with reduced feeding that’s .055 pd
Gonna put the LC on my doser set at 8ml ( diluted 50%)