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- #361
Photosynthesis is only done with lights on, but the cold temps(13C or less) at night will shut down all of the plants growth, and cause them to either A)have stunted growth (to include foliage and root systems), or B) kill the plant.
So while yes photo is only during the day, you do get growth at night in the form of roots, which will halt with the decrease in temps.
Thanks Jinn, that makes much more sense to me .
So heater it is then, hopefully I will be able to get it all set up at the weekend. Need to wall mount the thing as no floor space left and don't want to heat the whole room the tent is in.