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Cole_Robbie · March 20, 2016

Also, treated lumber leeches out arsenate. It is corrosive to greenhouse plastic. I wouldn't trust it against panels, either. All you have to do is paint it white. The paint has to be water-based, latex or acrylic.

March 20, 2016	#78
Cole_Robbie Tomatovillian™ Join Date: Jun 2012 Location: Illinois, zone 6 Posts: 8,407	Also, treated lumber leeches out arsenate. It is corrosive to greenhouse plastic. I wouldn't trust it against panels, either. All you have to do is paint it white. The paint has to be water-based, latex or acrylic.