What should my tent temp and RH be set got during germination and thereafter for each stage?

70-75°F and 65-70%RH Seedling 70-75°F and 60-65%RH Veg 70°F and 45-55% RH Flower At night temps drop 5 degrees This is what I've used and works. Google a VPD chart I shows each stage and the perfect RH and Temp for each stage. Goodluck growmie.

VPD under 1... will find all sorts of suggestions out there. probably .7-.8 for seedlings. temp and rh must be considered together, not individually. multiple ways to get to same vpd, but common sense and avoiding extremes narrows this down. Go reference a VPD chart. "Vapor Pressure Deficit" if you have a heating mat, that will help too. The ones with a thermostat probe you stick in will be best and worth the extra 5 bucks. 76F? i don't recall. this is reference info you can google though.

Humidity Below 70 above 30. Higher side when small lower side when flowering. Temp. High 70's up to 82 F

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Hey Growmie, During germination, you should keep the temperature between 70°-80°F, and for the humidity try keeping it within the 70-80% RH range, this temp and RH are also for the seedling stage. Now during Veg, you want to keep the temp between 70°-80°F and the RH around 50-70%. Once you start flowering try keeping the temperature around 70-80°F with the RH between 40-50%. If you every need any more help just send me a chat I'd be glad to help

It's a lot easier to maintain humidity with a dome vs the entire inside of a tent. If you're using 5 gal pots, use a soda bottle or something to make a dome that you can periodically mist inside while germinating.

Your question is about VPD Germination/Veg stage, Temperature 78F with 70% humidity = approx VPD of 0.85 to 0.95 Flowering Stage 75F with 40 to 50% Humidity = approx VPD of 1.20 and 1.50