Brown stuff is shed from the plates as they wear and settles to the bottom. Moving, shaking or bubbling during charging can bring some of it up. It settles again overnight and the electrolyte becomes clear again.
- Ed. [ Parent ]
You may be able to replace the electrolite with store bought electrolite. This is found at the auto parts store, generally packaged in a cardboard box with a bag inside to hold the electrolite. This may, or may not work, depends. If you go that route, use only distilled water to flush the sediment.
JW [ Parent ]
> You may be able to replace the electrolite with store bought electrolite.
I got 5 gallons at a battery store for $13 USD. (I figured that if I did all eight batteries then I'd need about 3 gallons.)
I did two pair yesterday. The sludge at the bottom is so heavy that it doesn't readily come out. After two gallons and six rinses, it was still coming out so I had to say "better is good enough" and put in the new electrolyte.
That leaves me wondering this: that pair was one of the second set where the water was way below the plates so I'm assuming that they are sulfated. So if I desulfate them, won't the SG go through the roof? ... I'll be monitoring the SG regularly to see if that happens.
Thanks again, - Ed.[ Parent ]
