Apr 13, 2006 #1 A ahhnah New Member I was just wondering if you could use a 1000w ballast to run a 400w bulb??
Apr 13, 2006 #2 Urdedpal New Member Re: grow lights ? Nope. Don't work that way.The extra wattage would blow the bulb right away.
Apr 13, 2006 #3 Serpico New Member Re: grow lights ? this has been answered in another thread.... why did you post it twice??
