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Step 9Disaster!
The Grow Bed leaks! A little investigating, and I discover that the flange at the base of the standpipe has a little flat on it. I"m guessing that this is compressing the gasket non-uniformly, and when the Bell is placed over the standpipe, it squishes the gasket just a little more - making it leak.
My solution - O rings. I bought a pack of #18 O Rings at Lowes, for $2. Placed one between the standpipe flange and the gasket, and one between the bottom of the Grow Bed and the locknut.
Why #18? Because they fit nice and snug over the threads of the standpipe.
Re-assemble, test, success!
No leaks.
One note of caution - if you find this necessary, don't over-tighten the locknut - it can 'extrude' the O-ring: The spinning action distorts the Oring, making part of it squish out. This can damage the O-ring and make a bad seal.
My solution - O rings. I bought a pack of #18 O Rings at Lowes, for $2. Placed one between the standpipe flange and the gasket, and one between the bottom of the Grow Bed and the locknut.
Why #18? Because they fit nice and snug over the threads of the standpipe.
Re-assemble, test, success!
No leaks.
One note of caution - if you find this necessary, don't over-tighten the locknut - it can 'extrude' the O-ring: The spinning action distorts the Oring, making part of it squish out. This can damage the O-ring and make a bad seal.
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