Do you have some schematic on how to put 3 HPS lights in a 1.5x1.5m tent? If I put them together it’ll be too hot in the middle. In a line it’s not possible because there’s no space enough.
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The best you will be able to do is to increase airflow to exhaust the heat.
How many watts are the bulbs? What PPFD do you get running just 2 of them? How many plants do you intend to grow?
Two 600 watt lamps for a 1.5x1.5 is 1,200 watts, which should be enough for that size tent. You’ll get better results with more wattage, but if the heat is overwhelming then less would be the best option? What are the max temps you are seeing?
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I’ll just put 2, 3rd is not necessary, maybe it’ll be overkill. I’m doing some experimenting with a theory I have, if it succeeds I’ll share a few points to the community
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