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#7
10-24-2010, 05:42 PM
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ok, so one problem here.. if you only go with 3 bulbs then you will have to lift them up to around 16" or more to get an even spread across 8 foot.
since you are lifting them the PAR values are going to drop in the tank and you are also thinking of dropping down to 250's . 250 watt is not always a down grade from 400's but with the ballasts you are looking at ya they are. so now you are lowering your PAR even more. I recomend that you stay with 400's if you want 3, or go to 4 MH if your dropping to 250's on an electronic ballast. I would personaly go with 4 bulbs either way, but I also like lots of PAR. Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*Some strive to be perfect.... I just strive. Last edited by StirCrazy; 10-24-2010 at 05:44 PM. 
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