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Author Topic: Would water from condensing dryer be suitable for lead acid battery topup?  (Read 7704 times)
clivejo
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« on: August 05, 2013, 07:53:51 PM »

Would the water from condensing dryer be suitable for lead acid battery top-up?
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marcus
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« Reply #1 on: August 05, 2013, 08:04:31 PM »

without seeing what the water comes in contact with I'd say no. If everything is plastic then theoretically yes but I expect there would be some metals involved.

I know someone who tried using water from a dehumidifier on his boat battery and the battery immediately foamed up and ended up being replaced. In that instance the condenser surface was metal and presumably contaminated the water with ions.

rainwater's OK I think, and usually in plentiful supply.
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Philip R
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« Reply #2 on: August 05, 2013, 08:09:07 PM »

definately not.

The conder in a tumble dryer is linted, as the filter does not catch it all.

The lint has washing powder and fabric conditioner residues ( The nice smell).. These substances would kill your batteries very quickly.

Philip R
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clivejo
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« Reply #3 on: August 05, 2013, 08:12:14 PM »

That was my feeling too.  I tasted the water and it tasted soapy but smells nice!  I guess I'm going to have to wait for rain!
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Pat_
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« Reply #4 on: August 05, 2013, 08:19:23 PM »

Dunno. At 5 litres for £2.49 I don't think I'd risk saving that and putting the atmospheric pollution in my expensive batteries. (Not that I have any at the moment, but even so.)
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camillitech
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« Reply #5 on: August 05, 2013, 08:35:37 PM »

Buy the right stuff Clive,

seriously, I went down the rainwater route for a couple of years but it's not wise and I've 'changed tack'. I used to catch the stuff in an upturned tank cut in half, well away from trees, not coming off the roof then filtered of the odd bit of debris and insect before pouring into plastic drums. I use an awful lot of water in several battery banks both for myself and others so was well chuffed with my perceived saving.

Now there was much discussion on this very subject of using rainwater a while ago on here and I was firmly in the 'I do camp'. However two things have put me off, one being this I had a 25lt container of proper distilled water outside my shed last year and when I picked it up it froze instantly, now, as I have NEVER seen that phenomenon with rain water I can only assume it's full of impurities as that only happens with 'pure' water which actually has a freezing point of something ridiculous like -40. What really sealed it for me though was yesterday when I went to my 'storage bank' of 25lt containers of saved rainwater and found them full of green growths and impurities.

It's not worth fecking up 3k worth of batteries for £18 worth of water.

Cheers, Paul   
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Philip R
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« Reply #6 on: August 05, 2013, 09:24:40 PM »

Well said Paul,

Rainwater supports life and growth, therefore it is full of soluble ions that would scrap your nice Lead Acid accumulators.

Philip R
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camillitech
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« Reply #7 on: August 05, 2013, 09:37:34 PM »

You 'live and learn' Philip  Wink
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'Off grid' since 1985,  Proven 2.5kW, Proven 6kW direct heating, SI6.OH, 800ah Rolls, 4.75kW PV ,4xTS45, Lister HR2 12kW, , Powerspout pelton, Stream Engine turgo, 60 x Navitron toobs and a 1500lt store. Outback VFX3048 and 950ah forklifts for backup,
biff
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« Reply #8 on: August 06, 2013, 12:11:10 AM »

 snow snow.
             Awwww well,thats me stuffed, reindeer.I amm gonna rush out and jump in my bluestack rainwater collector.
              Rainwater and gallons of it,is all my batteries have ever known,
                                                                    Biff
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camillitech
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« Reply #9 on: August 06, 2013, 07:13:30 AM »

snow snow.
             Awwww well,thats me stuffed, reindeer.I amm gonna rush out and jump in my bluestack rainwater collector.
              Rainwater and gallons of it,is all my batteries have ever known,
                                                                    Biff

Your battery bank is so big Biff that you could probably fill it with potchine and it wouldn't notice  hysteria  hysteria
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http://lifeattheendoftheroad.wordpress.com/

'Off grid' since 1985,  Proven 2.5kW, Proven 6kW direct heating, SI6.OH, 800ah Rolls, 4.75kW PV ,4xTS45, Lister HR2 12kW, , Powerspout pelton, Stream Engine turgo, 60 x Navitron toobs and a 1500lt store. Outback VFX3048 and 950ah forklifts for backup,
Tinbum
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« Reply #10 on: August 06, 2013, 08:50:58 AM »

I specifically asked Rolls batteries about what to put in their batteries as they recommend distilled water but most people sell deionised water for batteries. I was told use distilled.
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danesol
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« Reply #11 on: August 06, 2013, 09:44:00 AM »

Would the water from condensing dryer be suitable for lead acid battery top-up?

Too many containments in it I bet, although its very good for rinsing your car with after a shampoo ( ie. you get no water marks )  Cheesy
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