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    Air cooled glass on or glass off? help me decide using VPD and temp data

    Yeah I've read that quality goes up aswell as yield if you take the glass off. Its amazing the difference with the glass off; you can really feel it. I've decided to go with glass off. 35% w/ 27 degrees seems close to ideal.
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    Air cooled glass on or glass off? help me decide using VPD and temp data

    Hey there, I could use some help in deciding what to do - I have an air cooled 600 watt lamp in a tent with some plants going into week 3 flowering. RH with the glass on was about 70% at 68F/20C which is almost ideal VPD. Its gotten cold here now and will be getting colder - temp here...
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