It a white widow cut from one close friend they were taken at 3 week of 12/12 using flora nova,on insulation the temp raise a lot slowerEhi man,you're doing a great work?what strain are you growing?and what nutes?
keep it on
ps:about insulation...I'm running a dwc big bucket...and water temp is raising up day after day.At now is 22°...will I get some benefit insulating it?
I am a former soil grower myself .The duct looking thing are 5 gal black buckets insolated,it is a DIY uc culture sys.
https://www.icmag.com/ic/showthread.php?t=155064