holes developing on south side HFGH panels

12 years ago

I am starting to see numerous small holes in the polycarbonate panels of the southern side of my HFGH. The holes look like someone sprayed a chemical on the panels and the drops burned through the panels. has anyone had any experience with this. The only thing I have done is lay a shade cloth over the panels for about a month earlier this year. This will be my second year with the greenhouse. Thanks, James

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