battery water level with a hydrometer

AIM: to check the battery water level with a hydrometer

REQUITREMENTS : `battery , distilled water, hydrometer

PPROCEDURE : 1. open the battery with the screws on the top

2. put the hydrometer into the water section

3. and then put the pipe of the hydrometer in the water

4. then press the bulb of the hydrometer

5 . if the water rises to the red ;level it is critical

6. if it rises to the blue level then it is ok