Hi folks. I am doing a 600 watt dual spectrum indoor grow. I have been reading a report by the RHS saying plants need 8 hours dark. I know I have successfully achieved 3 grows using 18 - 6. I was wondering, would it be okay to cut light to 17 - 7 ? This would bring it close to the 8 hours recommended and saved me an hour per day electricity, over the whole grow adds up to quite a decent saving. I dont want to compromise on my grow to save a few quid so advice would be most appreciated. Many thanks, Bud G.
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