9#Anniehui/ [ W9 x+ s6 }" z( z
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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 8 T: z$ G, n4 O P2 {: v2 k1 G0 S* ~4 U! K' y- j7 O& U- t
. y+ ~) |9 k# y. q" M% c: DMy 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.