Had I not had to do massive WC AND had a toxin I would have done one then the other but since there was no way for me to really baseline/control and I didn't want to keep doing what I had been doing - I just said screw it and did both. Tank is objectively responding positively so far. Perhaps I was simply malnourished in the past and could have dosed more nitrate/po4 and seen similar results. Hard to say.Sounds like me, make so many changes in a short time. Period and you don’t know what