Greenhouse: New way to heat GH, 0 by rentman

rentman wrote:
Robin, I'll turn 71 in a few months and if I live to 100 I may not get all my wish list complete.
I've had these barrels for a while, planning to let the house water run into them, but maybe
I could use them with water off the GH, maybe I could put a couple inside the GH and use
them as a heat sink ??

Oh and then I would have water for the plants .
Yes today I will put one inside, fill it and see if it will retain some heat.