Gill aircraft battery hydrometers are used to easily check the electrolyte level of your battery and tells you the correct ratio of liquid to the density of water. It requires only a small amount of fluid and is ideal for close quarters.
Tests for 6, 12 and 24 volt batteries
Is calibrated to provide accurate measurements
Small enough to fit in your pocket or keep on your airplane
Used 7 on heavily oxidized Airstream. Sanded off oxidation. Presto changeo, an almost mirror-like finish. Will stick with Nuvite. Important to follow instructional video.
This is an amazing aid to my fisning. Something serious inland fishermen should have. My only regret is that I didn't have this over the last 20 years.
