water tank

Submitted: Wednesday, May 30, 2012 at 22:30
ThreadID: 95914 Views:1367 Replies:8 FollowUps:1
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gday
I was wandering if anyone knows what effect if any a water tank made from galv would have on the water inside it. Im debating between galv or stainless, other than the price is there any benifites or disadvantages.

thanks
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Reply By: Member - MUZBRY(Vic) - Wednesday, May 30, 2012 at 22:48

Wednesday, May 30, 2012 at 22:48
Gday
Think about the thousands of families that were brought up with only tank water.Almost every country town and farm had gal tanks when I was young.

Muzbry
Great place to be Mt Blue Rag 27/12/2012

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AnswerID: 487215

Follow Up By: Trev&Ness B - Wednesday, May 30, 2012 at 22:55

Wednesday, May 30, 2012 at 22:55
good point i didnt think of that
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Reply By: Bill BD - Wednesday, May 30, 2012 at 23:04

Wednesday, May 30, 2012 at 23:04
There is nothing wrong with galvanised but it does corrode eventually. Stainless is the ultimate in storage of food and beverages. It is completely inert and will last forever and a day. If cost isn't an issue then stainless is excellent. Might be a little heavier is the only negative for stainless I can think of.
AnswerID: 487220

Reply By: olcoolone - Wednesday, May 30, 2012 at 23:05

Wednesday, May 30, 2012 at 23:05
In an off road application I would go a poly tank, seen too many stainless tanks fatigue where welded and crack.

Poly tanks have no seams or weak points.

Galv tanks are soldered.
AnswerID: 487221

Reply By: spudseamus - Wednesday, May 30, 2012 at 23:14

Wednesday, May 30, 2012 at 23:14
well never put anything but rain water in it !!bore water and chlorinated water will destroy it in no time !!
AnswerID: 487222

Reply By: Peter_n_Margaret - Thursday, May 31, 2012 at 05:31

Thursday, May 31, 2012 at 05:31
In the OKA I have 2 DIY plastic water tanks, 2 commercially made water tanks and one commercially made stainless steel water tank.
I have had constant stress cracking of the stainless one and ZERO problems with all the others.

Cheers,
Peter
OKA196 Motorhome.
AnswerID: 487231

Reply By: wombat100 - Thursday, May 31, 2012 at 12:22

Thursday, May 31, 2012 at 12:22
Is the tank 'off the shelf' or custom made ??
If custom- why not fiberglass- there are potable water resins available for just that purpose.

AnswerID: 487261

Reply By: Bill BD - Thursday, May 31, 2012 at 18:18

Thursday, May 31, 2012 at 18:18
I didn't mention poly because the original question was specifically about stainless vs galv. I agree though - a good quality plastic tank is light, strong, fully inert, and immune to fatigue. Hard to beat.
AnswerID: 487295

Reply By: Rockape - Thursday, May 31, 2012 at 18:44

Thursday, May 31, 2012 at 18:44
Trev&Ness,

Galv has Zinc in it and is good for the prostrate so they say.

Lead well I am still fine seeing I work in a lead and zinc mine. Before anyone goes off we are monitored all the time.

Stainless workers that do boats will build a tank that won't crack.

As said any water that has minerals in it can kill the galv tank. Our galv raw water tanks lasted about 10 years before they collapsed. That water has heaps of salts in it and has to be placed through a RO plant before you can drink it.

A galv tank in general use will last for years.

AnswerID: 487300

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