bgnr---i have a h.o.t. magnum filter with just sponge in it. a regent cheapy filter from wally world from an old tank running carbon on and off a maxijet 600 powerhead a visitherm 200 watt heater, and for lighting it is a current orbit 2x65 watt with 10k and true blue actinic. about 30 lbs live rock and 20 lbs live sand...