What is this stuff on my battery caps
While topping off the water in the coach batteries today I noticed a strange deposit on the bottom of most of the battery caps. It has a paste like consistency to it. It was pretty thick on some caps and just mottled a bit on others. The batteries are 6V GC2's from Costco and are probably 3 years old. They use very little water, just a tad a couple of times a year. The charger is a Progressive Dynamics PD4645 with Charge Wizard and it stays plugged in 7/24 except when we're boon-docking. Any idea what it is and should I be worried about it?
Thanks,
Al
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Al and Deedee
2008 Winnebago Sightseer 29R F53, JMcKinley CHF, 5 Star tune, 2006 Honda CR-V, Blue Ox Aventa towbar
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