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* The API Scale is based on the following formula: °API @ 60°F = (141.5/(Specific Gravity at 60°F) – 131.5
* The thermometer scale is located in the body of the hydrometer
* Calibrated for use at 15°C/60°F

* The API Scale is based on the following formula: °API @ 60°F = (141.5/(Specific Gravity at 60°F) – 131.5
* The thermometer scale is located in the body of the hydrometer
* Calibrated for use at 15°C/60°F

* The API Scale is based on the following formula: °API @ 60°F = (141.5/(Specific Gravity at 60°F) – 131.5
* The thermometer scale is located in the body of the hydrometer
* Calibrated for use at 15°C/60°F

* The API Scale is based on the following formula: °API @ 60°F = (141.5/(Specific Gravity at 60°F) – 131.5
* The thermometer scale is located in the body of the hydrometer
* Calibrated for use at 15°C/60°F

* The API Scale is based on the following formula: °API @ 60°F = (141.5/(Specific Gravity at 60°F) – 131.5
* The thermometer scale is located in the body of the hydrometer
* Calibrated for use at 15°C/60°F

* The API Scale is based on the following formula: °API @ 60°F = (141.5/(Specific Gravity at 60°F) – 131.5
* The thermometer scale is located in the body of the hydrometer
* Calibrated for use at 15°C/60°F

* The API Scale is based on the following formula: °API @ 60°F = (141.5/(Specific Gravity at 60°F) – 131.5
* The thermometer scale is located in the body of the hydrometer
* Calibrated for use at 15°C/60°F

* The API Scale is based on the following formula: °API @ 60°F = (141.5/(Specific Gravity at 60°F) – 131.5
* The thermometer scale is located in the body of the hydrometer
* Calibrated for use at 15°C/60°F

* The API Scale is based on the following formula: °API @ 60°F = (141.5/(Specific Gravity at 60°F) – 131.5
* The thermometer scale is located in the body of the hydrometer
* Calibrated for use at 15°C/60°F

* The API Scale is based on the following formula: °API @ 60°F = (141.5/(Specific Gravity at 60°F) – 131.5
* The thermometer scale is located in the body of the hydrometer
* Calibrated for use at 15°C/60°F

* The API Scale is based on the following formula: °API @ 60°F = (141.5/(Specific Gravity at 60°F) – 131.5
* The thermometer scale is located in the body of the hydrometer
* Calibrated for use at 15°C/60°F

* The API Scale is based on the following formula: °API @ 60°F = (141.5/(Specific Gravity at 60°F) – 131.5
* The thermometer scale is located in the body of the hydrometer
* Calibrated for use at 15°C/60°F