Rubber Bladder Tanks

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eianm

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Jul 7, 2010
523
Hunter 42 Sydney
has anyone replaced aluminium tanks with those flexible rubber bladder tanks. Having a plastic tank custom made is VERY expensive , so i am wondering if a much cheaper rubber bladder tank is possibly a viable alternative- just wondering if anyone has tried this and what results they have had?
 
Nov 6, 2009
353
Hunter 37 FL
has anyone replaced aluminium tanks with those flexible rubber bladder tanks. Having a plastic tank custom made is VERY expensive , so i am wondering if a much cheaper rubber bladder tank is possibly a viable alternative- just wondering if anyone has tried this and what results they have had?
We did that on our Morgan 34 ten years ago and were sorry. Had to be careful when filling tank since it was under settee, for when the bladder was full it raised the settee seat. Also, it reduced capacity.
 

Rick D

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Jun 14, 2008
7,183
Hunter Legend 40.5 Shoreline Marina Long Beach CA
If custom plastic is too expensive, check for aluminum. You should have it coated inside though. Your life from it is probably no more than ten years at best.
 

eianm

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Jul 7, 2010
523
Hunter 42 Sydney
Water tanks- i have the opriginal aluminium tanks that are full of white corrosion
 
Jul 25, 2004
359
Hunter 42 currently in New Zealand
Old Passage 42 aluminum water tank problem

Those old aluminum water tanks are my biggest problem on my 1991 Passage 42. The white corrosion is CONSTANTLY clogging the intake water lines leading from the tank to the screening system. I have to constantly deal with the plugging of those lines (by blowing the detritis back into the tank).

Eian, a bigger concern of mine, besides replacement cost, is how to get to the midships (aft) water tank. Do you know a way to get to it to replace it without tearing up all the permanently affixed joinery? Ditto for the forward tank as well.

Sure would like an idea as to how to conquer this problem.

Cheers,
Paul
 

eianm

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Jul 7, 2010
523
Hunter 42 Sydney
i have not gotten this far yet but plan to do so in the next few weeks- wil let you know what i find
 

Squidd

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Sep 26, 2011
890
AMF Alcort Paceship PY26 Washburn Wi. Apostle Islands
Make sure it's rated for "potable" water..
 
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