Joanie

We just put up a new greenhouse (pictures to follow later) and I was reading that to maintain a more constant temperature, you could use bottles filled with water, lining the inside of the wall that the sun shines onto. During the day, the clear water bottles will slowly store the heat energy from the sun, and at night will slowly dissipate this energy, keeping the greenhouse warm. In the summer, the bottles will cool off during the night, and keep the greenhouse cooler in the morning. (My greenhouse will be shaded from noon to sunset)

I have also been catching rainwater in tubs, which eventually gets sort of nasty as it sits, even covered. So I started filling the empty water bottles (minus the labels) with the clear rainwater and using them to line the greenhouse wall. That way, I can start using them over the summer when the barrel water gets scary.

Does anyone have any suggestions or considerations about trying this?

Joanie

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