I just followed the calculator and tried to drip 1.8ml of phosphate e mixed with 100ml of rodi water into the 5 micron filter sock and by drip I mean I knocked the bottle over so it all got added at once.....so far no cloudiness and my tangs look ok. I’m a bit nervous....I’m such a delinquent but good thing it all went into the filter sock. Hopefully I can see something below .1. The calculator said I should get down to 0.03 with a 1.8ml dose. I’ll test in a few hours...
I dose 6 ml into a skimmer exits thru a 10 micron sock 3 times a day without any issue. been doing this for almost 2 months now.