Greenhouse lighting for winter cannabis production

Nov 3, 2020
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United States
Im trying to find a power switch based on lumens. which has proved difficult. I want to hook up to multiple 1000 watt indoor grow lights into my green house for light assist winter greenhouses.
I want the power to switch off when there is full sun and in most ambient lights to turn on but preferably adjustable based on candle power. For growing cannabis in the winter.

Another example is for an indoor in my garage...i keep my garage open growing with the sunlight for about 4 hrs of the day and then mornings and afternoons when it ambient and not full sun.


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