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question about temperature
I just started my first grow a couple of days ago. I germinated 2 seeds (strain is lionheart i believe) and transplanted them to miracle grow potting soil, right now they're under 5 cfl's on a 24/7. Going great until I realize that i've overlooked one major detail, temperature. yesterday the outside temp dropped to about 20 farenheit and my grow room (attic) dropped to around 45 and was that cold for probably 24 hours. Today i went and bought a thermometer and a ceramic space heater so i can regulate the temp in there and right now it's up to 65. So i guess i have a three part question for anyone interested:
1. Have I killed my fragile pre-emerged plants or is there still hope?
2. Is a ceramic heater safe to use around plants? there's about 2 feet between it and the pots.
3. what temp should i be trying for here? i was thinking around 70 would be nice.
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