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bleach jug system.
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02-05-2009, 05:10 AM
Ron
Senior Member
Join Date: Jan 2009
Posts: 1,285
You want the bad news first. Mercury vapor lamps produce a color spectrum that is not as efficient as the halide or
hps
for indoor growing. It's not the kind of light to use if you expect any kind of yield.
I use vermiculite for cloning not dirt.
Ron
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