9#Anniehui : c! C1 X3 y% i6 {* R0 x% p4 w, ?7 n7 Y3 t9 h) i
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 + b+ r" @4 K& m, U6 |; D) I R* F$ r ! t5 b. G/ h7 p# c0 ~ 4 N* n7 K/ }* X3 O3 Y& fMy 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.