kakameks:
Hi all,
My car battery (wet cell) was showing signs of impending failure, I had an electrician drain, replace the electrolyte and charge the battery.
however the battery still can't fully retain charge, my multimeter show it at 11 volts instead of 13 volts for a fully charged battery.
I read that epsom salt helps in de-sulphating the weak batteries to make them retain electric charge.

Has anyone tried this? Or does any one know where I can get epsom salt crystals?

Siena:

Why not simply buy a replacement battery?

kakameks:

Aside from the fact that I like trying new idea, the battery came with the car when I bought it in the US. I've always had this notion that wet cell batteries dont last, well this one completely broke that myth even when I travelled for close to a month without starting the car, on my return the battery was still able to turn the engine. I was very impressed and fell in love with the Duralast battery.
Am hoping if the Epsom salt theory is true then I can apply it to my inverter batteries also.

Oksman:
It is sold in any pharmacy store.

makavele:

Then buy another Duralast and quit joking around with concentrated sulfuric acid . .it can kill u

GAZZUZZ:
OP battery full market, make we no see you for front page NL o!

GAZZUZZ:
OP battery full market, make we no see you for front page NL o!

Mailthaddeus:
Having gotten the right quantity of salt, I just to collect 2 liters of distilled water (I decided to collect rain water instead).

Chai! OP
Who told u rain water is even near to distilled water. It is not, rain water are usually acidic due to the presence of acidic oxides discharged into the atmosphere which in-turn gets dissolved into d clouds and fall as rain. If in doubt test wit a litmus paper.

To get distilled water, get a kettle, boil water wit it, and condense the water vapour comin out from d open end of the kettle when d water is boiling.