Originally Posted by
wilson
Hi all, my grow is in the flowering stage. The tent is in the garage which gets cold here in England over winter. I have thermostatic tube greenhouse heater which currently, during the 12 hours that the HPS is on seems plenty warm. For the 12 hour off cycle, I cut the air circulation fan ( to preserve heat) but I was wondering if the tube heater is adequate. I have read that it is ok to be quite a bit cooler when the HPS is off but should i consider boosting the heating. Advice please.
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