Join Date: Sep 2006
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Re: Plastic or Aluminum for water tanks?
My 36 year old boat has 2 plastic water tanks with two inspection ports each, one forward, one aft. These tanks have never given me an issue nor have they ever leaked. I do shock them with a bleach concentrate in the spring, flush a few times and then add a touch of bleach with each tank fill. I do drink from the tanks but I also have it run through a charcoal filter under the galley sink.
Hope this helps.
Edit: I have replaced the hosing on the potable system though.
Tartan 4100, #28