i will check my params again i am switching from t5's to halides just prefer the look better but my 8 bulb fixt does need new bulbs. i just have done a 30% wc and i use ro/di
i usually only feed blood worms and spirulina flakes, i have 1 damsel,lawnmomer and bi color, emerald crab, and about 20 blue legs and scarlets, plus 2 starfish in a 90 gal and i feed every other day with only about 8 hrs of light