John King
Member
hello there , im looking to buy a ballast to complete my grow setup , im only wanting to use a 400 watt in my area as any more will cause heat problems but i have seen its about the same price as a 600 watt , can i run a 400 watt bulb in this ballast http://prntscr.com/5ee1le and just have the ballast switched to 400 watt or 400 watt boost ?