On my 20G with 60 kenya tree's on rack's no skimmer or refuge/ats,medium flow 10 lb's LR 3"dsb I was up to 1 cup a day of phyto with a highpowered ats I could not imagine yet how much phyto a person can add
That's a lot of protein,hufa's,color enhancing pigment's along with a number of other nutrition