9#Anniehui 9 `, }9 j- O- x2 b' i 7 z5 h' e1 M' k2 DIs it your greenhouse ? Look like it is a kind of transparent sheet attached to the wood frame, not glass or anything, right?
6 U. S1 @- E0 v: sMy 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.