It's heavy duty plastic, at least 1/4" thick. I certainly hope I couldn't crack it by tightening it with my bare hands...! Plus both of them? :S
I can see the water slowly build up around the threads in the lid... It seems like the seal isn't tight enough...
Quote:
Originally Posted by phi delt reefer
check for cracks... they are only plastic and a they could develop a hairline cracks from over tightening.
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