widder
10-09-2010, 05:57 PM
Which of these is better? My setup is 400w...Also, is it OK to use the 430w bulb w/ my 400w ballast?
Dutch Pimp
10-09-2010, 06:48 PM
430 watt HPS Hortilux requires a S145 magnetic ballast
400 watt HPS Hortilux requires a S51 magnetic ballast
If you have a digital ballast?...some peeps have good luck with Hortilux lamps...others don't.
Digital ballasts don't have ANSI #'s...:wtf:...cause, most are made in China.
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