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Old 07-06-2014, 02:21 PM   #1
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Cracked gray tank on travel trailer

Went camping this past weekend and discovered water coming from gray tank. After inspecting the leak I found a crack on the bottom of the tank..my question is do hassle with replacement tank or do I patch it...if I patch it what do you folks recommend? Thanks

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Old 07-07-2014, 07:50 PM   #3
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How can I find out what kind of plastic my holding tank is? It says not for polyethylene plastic
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Old 07-07-2014, 08:12 PM   #4
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Originally Posted by kwilt06 View Post
How can I find out what kind of plastic my holding tank is? It says not for polyethylene plastic
That's a tough question!! Most I.D. methods require burning a sample. You can check through the info here --- and they sell repair kits.

Identify Plastics

The only other suggestion would be contact the trailer manufacturer and ask them for the tank source.

Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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Old 07-08-2014, 03:28 PM   #5
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After making a repair, would you trust that it won't crack again? I'd just replace the entire tank. They're not that expensive.
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Old 07-08-2014, 03:38 PM   #6
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You could use a fiberglass repair kit to patch the crack or maybe JB Weld. Both are low cost solutions.
Nathan and Linda, 2000 Winnebago Chieftain 35U, F53 Chassis, Banks Power Pack
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Old 07-08-2014, 03:43 PM   #7
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Just a thought, 3M 5200 is a caulking approved for below the waterline of a boat. It takes a long time to cure, but seems to stick to just about anything, might be worth a try.

Joe 1998 Itasca Sunflyer Ford 460

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gray tank, tank, travel, travel trailer

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