I don't know what to do regarding my small fish tank is a 30gl depth is only 17 inch
nova fixture 4 t5 with 156 watt (5.2 w for gallon) or a nova pro 6 t5 with 234 watt (7.8w for gallon)
i know with 5.2w for gallon i will be ok, because
on my 75 gl i have nova pro with 8 t5 x54w and give me a...