9#Anniehui % d/ Y9 R/ v$ F N+ x" k+ I" g( D( {/ Z
Is it your greenhouse ? Look like it is a kind of transparent sheet attached to the wood frame, not glass or anything, right?
15#ceramistpalace # j, H1 J# l& n+ v B6 I) Y! j6 ~- x% v$ U* g, Q& O
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My 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.