OK, I will tell you my tank set-up and u can tell me what i need and what i dont to help me out....aquaclear 30, millenium 3000 biofilter, cpr hang-on fuge (w/ about 5 lbs LR, DSB , 1 hermit crab, 2 snails, and chaeto alga) , sea clone 100 skimmer
Also, I got a 6 line wrasse, and need to know what it eats, i gave it pellers and it wouldn't eat.
I don't no anything about the bio grid but if it works the same as bio balls id
thank it will eventually be come a nitrate factory
So yes for as myself gos id get rid of it