filo6942
06-20-2009, 09:49 PM
I got a 400watt mh from a friend. The bulb reads 400 watt topstar.
But the lamp/ballast combo (hydrofarm) says 250watt. I plugged it in and it took about 3 minutes to warm up but goes bright white... is this safe?
But the lamp/ballast combo (hydrofarm) says 250watt. I plugged it in and it took about 3 minutes to warm up but goes bright white... is this safe?