WetCheck™   Electrolyte (water) level checker

You Need This  -  If you cannot view the fluid level in your battery.  -  You Need This
Practical Sailor calls the WetCheck "A safe and accurate method of checking the 

electrolyte level of your lead acid batteries.  We use them on our boat".

 

Prevent Dry Cells   The #1 cause of battery failure

It is hazardous to peer into battery cells, and when you do, it is often difficult to determine the correct water level (1/4 to 1/2 inch) above the top of the plates.

INSTRUCTIONS
Insert WetCheck into cell until touching top of plate.  Note level on reverse side.

PACKAGING
4 cards / pkg.  (6 fingers / card)
enough to check the cells in 4 batteries.
$4.95 / package