[quote="Lucy68"] I would be terrified of your electric bill too (I know I'm afraid of mine). I think Jim is talking about this:
https://ceresgs.com/water-barr.... [/quo
I went to the Ceresgs site and they say they no longer carry phase change material. Probably wouldn't be a good option for me as i really don't have a north wall on the GH. I opened the south wall of the shed to attach to the greenhouse.
