i have a 4 bulb t-5 lighting over a 38 gallon tank and i was looking into gettin a MH fixture.. 2 questions.. 1) what wattage would i need and how many bulb ( like 1 250w or 2 150 w) 2) how do i acclimate my existing coral to the more intense lighting ( do i make the lighting period shorter?
thanks for the info everyone
thanks for the info everyone