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03-09-2015, 08:43 AM
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#15
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Senior Member
Newmar Owners Club Spartan Chassis
Join Date: Oct 2010
Location: Lake Havasu City, AZ
Posts: 1,717
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I went with the Water Miser caps. They work fine but when I replace my batteries, I'll spend the extra money for the AGMs and be done with it.
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2019 Newmar Dutch Star 4328 K2
2017 Grand Cherokee Summit 5.7
2008 Beaver Contessa 40' Pacifica 425 Cat
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03-09-2015, 09:01 AM
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#16
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Senior Member
Winnebago Owners Club
Join Date: Sep 2013
Location: Ft Worth texas
Posts: 1,110
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This is what I used on my rig.
RANDOLPH ACID PROOF BATTERY BOX BLACK PAINT #345 from Aircraft Spruce
It will last forever like me. This stuff have been around forever and yes it is aircraft paint.it is thick but use a brush or roller
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2003 Sightseer 33L
Ford F53
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03-09-2015, 10:18 AM
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#17
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Senior Member
Join Date: Feb 2010
Posts: 4,654
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Almost any good paint will work well.
The area must be prepped well regardless.
You can clean sand scrape or whatever process then clean with paint thinner before painting.
Get rusty metal or galvanized metal primers as they stick better.
2 coats of primer then top coat color of choice with same brand as primer.
Let it cure for a week or so before slining batteries on it.
Do NOT place a rubber pad or wood pad between floor and batteries as it holds whatever gets there in place.
Whenever you wash the rv just open the door and give it a look...rinse with water to remove dust and anything else...plenty of water to be sure it washes clear.
Be sure you have drain holes...
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Tony & Lori
1989 Country Coach Savannah SE
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03-09-2015, 10:44 AM
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#18
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Senior Member
Country Coach Owners Club
Join Date: Jan 2006
Location: Northern California
Posts: 5,868
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Fortunately, our manufacturer installed a plastic/fiberglass liner in the battery slider trays.
That seems to corral the tray corrosion along with the steps in previous posts.
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Dean
1995 38' CC Magna #5280 **** Sold after 21 years of enjoyment.
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03-09-2015, 12:18 PM
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#19
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Senior Member
Join Date: Dec 2003
Location: Motor City, Mich
Posts: 3,369
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My searching to find a cure to the corrsion led me to the Water Miser caps too. But, researching about the caps led to find a slightly different solution. I removed all my caps and cleaned up the parting lines (from casting the caps) under the gaskets.
No more corrosion! (So far - it's been almost a year).
Found a YouTube video showing the problem and fix. Which I can't find right now of course!
Best part is it was free. I figured it was worth trying before spending money. It worked.
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Tim.
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03-09-2015, 03:02 PM
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#20
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Senior Member
Newmar Owners Club Spartan Chassis
Join Date: Feb 2005
Location: Sterling Heights, MI
Posts: 2,723
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Quote:
Originally Posted by jplante4
It's corrosive acid from the batteries. Neutralize it with a baking soda paste and a scrub brush then rinse with clean water. Somewhere on the forum, someone posted about repainting with some special paint.
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It might have been me with the "special paint". I painted my battery tray with spray on truck bed liner. I bought it at O'Rielys (spell?) auto parts, but I imagine you can get it at any auto parts store. Seeing I just did it yesterday, I don't know if it will hold up any better than regular paint or not.
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Tricia & Dennis Lockhart
2010 Ventana 4333
Spartan MM w/Cummins 360 ISC
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03-09-2015, 07:44 PM
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#21
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Senior Member
Freightliner Owners Club
Join Date: Apr 2002
Location: Pensacola
Posts: 2,728
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I've used the CRC battery terminal coating with good results. Starting with new batteries, the red spray coating prevents corrosion and lasts until my annual cleaning of the connections and re-coating the terminals.
CRC Battery Terminal Protect, 7.5 oz. 05046: Advance Auto Parts
They also make a battery cleaner if corrosion is already present.
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Hooligan, Pensacola, Fl -U.S. Coast Guard 1956-1985
2016 Thor Siesta Sprinter 24ST diesel -1972 Moto Guzzi
2008 Suzuki Grand Vitara TOAD
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03-09-2015, 07:56 PM
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#22
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Senior Member
Join Date: Jul 2012
Location: Fulltime, USA
Posts: 16,706
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That Blasted White Corrosive Powder!
Quote:
Originally Posted by Hooligan
I've used the CRC battery terminal coating with good results. Starting with new batteries, the red spray coating prevents corrosion and lasts until my annual cleaning of the connections and re-coating the terminals.
CRC Battery Terminal Protect, 7.5 oz. 05046: Advance Auto Parts
They also make a battery cleaner if corrosion is already present.
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X2. I do the same with CRC, been using it for over 15 years.
I make sure there is no over charging going on every 3 months, and I don't overfill the cells. I only need to add about 1.3 quarts to the 4 batts once each year. Easy-peasy. No corrosion.
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03-10-2015, 06:13 PM
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#23
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Member
Workhorse Chassis Owner
Join Date: Mar 2015
Location: Midlothian Texas
Posts: 59
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Thanks for the battery pm info. I am going to inspect and clean and install a rubber battery mat in the tray. I Also like the mineral oil idea.
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Bill Kaufman , Texas
2004 Fleetwood Bounder
W22 Workhorse Chassis / 2014 Edge TOAD
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03-11-2015, 07:02 AM
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#24
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Senior Member
Join Date: Nov 2014
Posts: 1,149
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Thanks Again Folks,
Man, all this info is great! My plan is to clean up the area / paint with a rhino rubber type paint / clean each cap and rubber gasket to seal better / never over-fill and use the mineral oil idea!! Then see if this type of PM will last about 3mos between checks. Happy Camping
__________________
06 Holiday Rambler 45' PBQ
USAF Vietnam Vet 68-72
A1E/A1H Skyraider "SandyHobo"
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03-11-2015, 09:38 PM
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#25
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Senior Member
Fleetwood Owners Club Freightliner Owners Club
Join Date: Nov 2001
Location: East Texas
Posts: 2,269
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Quote:
Originally Posted by Fred and Bonnie
When I installed an on board battery watering system, the problem vanished.
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Same here...one of the best mods I've done.
Craig
__________________
2005 Fleetwood Providence 39J CAT C7 350, MP-8 Power Module
My wife does all the driving - I just hold the wheel...
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03-11-2015, 09:48 PM
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#26
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Senior Member
Join Date: Jul 2012
Location: Fulltime, USA
Posts: 16,706
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That Blasted White Corrosive Powder!
Quote:
Originally Posted by Gadget Man
Same here...one of the best mods I've done.
Craig
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It is nifty but not more effective than a 2x per year turkey baster!
I have that extra 5 minutes.
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03-12-2015, 10:11 AM
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#27
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Senior Member
National RV Owners Club
Join Date: Jun 2010
Posts: 4,581
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Quote:
Originally Posted by Gadget Man
Same here...one of the best mods I've done.
Craig
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Quote:
Originally Posted by CampDaven
It is nifty but not more effective than a 2x per year turkey baster!
I have that extra 5 minutes.
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The way my house batteries are set up I can not see into the four cells of the two rear batteries so the battery watering system works best for me. As a side comment I live off grid and have water miser caps on 16 L-16 batteries and that has reduced the amount of evaporation and corrosion. Some day I may add a battery watering system to the L-16's.
__________________
Bob & Sandi, dogs Tasha a Frenchie and Tiki a Skipperkey
SW OREGON 2005 34 foot DolphinLX
If towing: a bright red 2016 Mini Cooper on a tow dolly.
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03-12-2015, 10:30 AM
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#28
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by Cobra1
Mineral oil to keep the vapors in check seems to work well.
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I did that on the previous MH (2002 Dutch Star DP) in 2004. 4 oz of mineral oil in each cell. when we traded it in last month the battery tray looked new and even had the original straps. Here's a couple pictures after about 4 years of no cleaning. the red "gas can" in the second picture is full of distilled water and the turkey baster just shows too.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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