Quote:
Originally Posted by VaughnH
Edward's basic assumption is incorrect in that article. You can't equate 24 hours at 1 watt per gallon to one hour at 24 watts per gallon. His assumption is simple, looks very good, but isn't correct.
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Ah! You are just right, but he stopped this rule at 6 and 12 hours limits.
Less than 6h is detrimental for plant's health, more than 12h will stimulate algae too much.
Very clever and "a must" note however.
naman