Ive got a couple of helpfull other hints for u as.well. bubba can be over fed and it loves it I run a 200 gallon rez and I always put a extra few hundred ml to give the girls.what they want. Your feeding calls for say 500 ml. I would add 750 Instead.the most important thing about bubba is that it is extremely suseptible to powdery mildew and mold.I run a sulfer burner for 2 hours a day just As a preventative.good luck.