Thread: Convert a common home security light into a remote ballast grow light
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Old 03-02-2008, 01:20 PM
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you want me to do the maths? ok

the cfls are
4x27watts=108watts
4x1750lumens=7000lumens

the hps is
1x70watts=70watts
1x6300lumens=6300lumens

the hps is much more cheaper to run with just a slight lowering of lumens. i see what you mean
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