The probable causes of this condition are:
1. Electrolyte or concentrated acid added instead of water.
2. One of the numerous "dope" solutions which have been advertised extensively within the past two years. Never use them. If customer admits having used such a "dope" warn him not to do so again.
Low Electrolyte
Probable Causes:
1. Water not added.
2. Electrolyte replaced in wrong cell after taking gravity readings.
3. Cracked jars.
4. Battery overcharged, causing loss of water by overheating and excessive gassing.
Probable Results: