If you read around the web, there are numerous miracle cures for lead-acid batteries to be found. Some suggest adding epsom salts, others alum, and there are even people who talk about reversing ...

Pour about 4 cups of distilled water into a bucket, mix in 4 ounces of Epsom salts, then stir until the solution becomes clear. With the funnel, pour the water and salt solution into each cell. With ...