| Anton, how cold does it get where you are? If it only gets down close to freezing, I think bubble insulation might be over kill. It is certainly not necessary for hot weather, tho I like the diffusing quality of bubble insulation. If I lived in a mild climate, I might not bother with the bubble insulation. For hot weather (and any clear day for that matter), you need an evaporative cooler. This is probably THE most important item you can add to a greenhouse. Note my recent post where I describe over heating of my GH. Note, it is winter here right now, and it have been quite cold.
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Cynthia
Prescott Orchid Society  |