You don't have a water heater? (add warm/hot water to the cold)
The warmer the water, the better the absorption into the media. Excessively cold water stunts and kills.
Rusty Trichome Reviewed by Rusty Trichome on . Ideal temperature for watering?!? What would be the ideal temp for watering? I've heard about 68-70. My water out of the tap this time of year feels like it's probably not much above freezing....probably 40-50 degrees. I let it sit out, but it sits in my cold basement and probably doesn't even get up to 60 degrees. What is the lowest you can go before it will start to harm/stunt your plants? I noticed after watering today that the two plants were drooping hard... and they really needed water! The only thing I can think Rating: 5