tank o tang
Thread Lurker
Just got my new bulbs in and going to replace the old ones this weekend. I'm going from ushio 10k's to xm 20k's.
Do you think I still need to screen since par should be lower on the bluer bulb? These are 250watt mogul based on an ice cap ballast.
Do you think I still need to screen since par should be lower on the bluer bulb? These are 250watt mogul based on an ice cap ballast.