9#Anniehui ( D' H ^7 k* F ; {* R) A! D. ~1 f0 k0 {Is it your greenhouse ? Look like it is a kind of transparent sheet attached to the wood frame, not glass or anything, right?
15#ceramistpalace8 |& X7 b# d( n
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5 H+ A1 \3 L! wMy husband seals the plastic layers himself, then use a small fan to blow air between the two layers. The plastic can only be bought at Horticulture supply stores.