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How does everyone resist the urge to constantly meddle with their grow or is it just me? I'm thinking I got too much free time being single and retired. At least I get some exercise going up and the stairs several dozen times a day. Pretty sure I saw my dog rolling her eyes a couple times just...

After growing in soil for three years I decided to take the plunge into DWC late last year. I went with DWC instead of RDWC because of limited space and uncertainty of success. After much research I realized that keeping my nute temps low was my biggest concern. I’d like to share the details on...

Anyone have any opinions on what would be acceptable nutrient temperature swings in a RDWC systems? For instance, how much would a gradual 3 degree swing in a 8 hour period stress plants assuming temps remain somewhere between say 67 to 73 degrees?

I'm using a simple thermostat connected to the vent duct fan to control high temps in a 2x4x6 tent. Upside it works well with a less than 2 degree swing. Downside there is no ventilation during the 6 hours that lights are off. Is there anyway to automatically override the thermostat when lights...

If using a meter everyday to check nutrient solution how often is calibration of pH and EC necessary?