jjl Posted February 3, 2004 Share Posted February 3, 2004 i have a 400w hps can i use the ballast for a mh ,cheers Link to comment Share on other sites More sharing options...
Sal Posted February 3, 2004 Share Posted February 3, 2004 No bud you need a hps ballast A metal halide ballast consits of a transformer and capacitor A hps ballast consits of a transformer and capacitor & ignitor Link to comment Share on other sites More sharing options...
jjl Posted February 3, 2004 Author Share Posted February 3, 2004 cheers mate saved me calling the fire brigade Link to comment Share on other sites More sharing options...
Vlad (the impala) Posted February 3, 2004 Share Posted February 3, 2004 at risk of dissent - I read a post by OT that said you can use a metal halide bulb with an hps ballast - it'll just run a bit brighter, and not last quite as long - just to further confuse things, some ballasts are made to do both, and their are special metal halides built for use with an hps ballast! Link to comment Share on other sites More sharing options...
jjl Posted February 4, 2004 Author Share Posted February 4, 2004 thanks for that i will have a search on the forums for the post thanks for the help Link to comment Share on other sites More sharing options...
Citizen Posted February 7, 2004 Share Posted February 7, 2004 The ballast I got from Growell say they run MH and HPS. Link to comment Share on other sites More sharing options...
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