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Hi, The Temperatures are very low in my Growbox ar...

Mrs_Larimar
Mrs_Larimarstarted grow question 6 years ago
Hi, The Temperatures are very low in my Growbox around 19degree celsius. how do you rise the Temps? Its my first Year indoors and Winter is coming and going to be colder. Heater=? heatmats who has experience in good Tools
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Week 4
Techniques. Defoliation
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Experimentgreen
Experimentgreenanswered grow question 6 years ago
Id invest in a small heater, check temps while lights are on and see if the grow room is warm enough and then set it to trigger on either off and on the whole day if needed or just in the evening before lights shut off. Try to avoid the 60 degree range as pm thrives at that temp. If youve got good intake and exhaust the heater can be outside the tent. *if grow room is away from your living space like shed etc....put in a smoke alarm. 😊💚✌️
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trilldex420
trilldex420answered grow question 6 years ago
i suggest a small heater but one with a THERMOSTAT so temps could be maintained at a certain temp and shut off once its reached desired temps ;)
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Stick
Stickanswered grow question 6 years ago
Hi @Mrs_Larimar! Don't panick, 19°c won't hurt or slow down your plants. During this early vegetative stage, with a 19°c ambient temp, your RH should be between 52.5% and 67.5% for a healthy respiration, so you're actually doing great with your 70% RH. Now, I would still recommend to raise the temp by +2°c, in order to get into the optimal range for late veg & flowering. 21 Degrees would make VPD management easier, check out this chart: http://www.just4growers.com/media/23631/vpd_2degree.gif and it would also reduce the risk of mildew/mold and increase the terps and resine production later. Now in order to raise the temp, I won't recommend the heater approach, because it would mean buying an expensive growroom heater that you can plug to your thermostat. No, instead I would add some more lights. Even some cheap IKEA full spectrum bulbs, just to get a better coverage + gain a few degrees. Your babies should appreciate. If you don't or can't add even the smallest bulbs, then you could consider reducing your extraction or grow in a sealed environment (IE no extraction but this requires supplemented CO2). Hope this will help, happy growing (love that Rowenta fan by the way, I've been using the same for a while! Too bad it doesn't auto-start!) 👊
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CRiSPrGrow
CRiSPrGrowanswered grow question 6 years ago
hey Mrs_Larimar , 19 is totally fine for older plants but younger ones need a bit more heat + humidity to get that VDP where you want. It doesnt make sense to do too much beyond just putting a dome or something over these little ones. Otherwise i see some canadians on GD they use a space heater, lots of W , but at least it works ! 🚀
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