Hello, I got a growing tent and the grow light TS1000 from Mars Hydro. This light contains a "switch" or a diming knob. I want to grow in my basement where it is always 16 degrees celsius and a humidity from 75-80%. I want that my plants (Afghan strain) have enough light and that it is warm enough. The light makes it a little bit warmer but only on the highest setting and I dont know if that is to much light. Can the plants even grow when its only 16 degrees when the light is of and with this humidity level? I checked the temperature without plants and lights on and its 21 degrees with the lights on and only a humidity of 63% in the tent. But as I said wihout plants and water etc.
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21 celsius is ok, I would not go any lower. 63 rh is also good . As far as your lighting goes search google play for ppfd meter. I use this app to measure ppfd ( par ) I dont know how accurate it is but it is a good baseline to start with. I use 300-400 ppfd for seedlings, 600 for veg and 900 flower. Hope this helps.