jamesp
Cave Dweller
Member since October 2012
Posts: 36,371
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Post by jamesp on Jun 15, 2018 19:25:09 GMT -5
Finally figured out that black HDPE barrels get real hot in Georgia greenhouse. Built them this winter so they are just now seeing our heat from high sun. Kept blowing caps tumbling glass. Increased temp increased the internal pressure. Tumbled with white PVC barrels for years and they stay relatively cool. Moved them to a shady corner of barn. All's well. ![](https://c2.staticflickr.com/2/1725/42823957831_0f6bd04f3b_b.jpg)
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Post by arghvark on Jun 26, 2018 15:55:35 GMT -5
Holy Pressure Relief, Batman!
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