MINI GRAVITY BALL ANTIFREEZE HYDROMETER

‘Gravity ball’ for mixtures of Ethylene Glycol only, functioning with less than 5cc of coolant. Gives a simple and quick check of anti-freeze content and protection. No balls floating.less than > 15% AF Unprotected 1 ball floating….between 15 – 20% AF Protected to -7°C 2 balls floating…between 20 – 30% AF Protected to -10°C 3 balls floating…between 30 – 40% AF Protected to -15°C 4 balls floating…between 40 – 50% AF Protected to -25°C 5 balls floating…higherthan < 50% AF Protected to -36°C % AF and protection calculated at 15°C