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The flexible portion of the arm has a silicone coating allowing easy cleaning while protecting it from moisture
Precision: ±2 ppm ±5% of reading @ 77°F (25°C)
** not recommended for well-water that have high CO2 concentration or water treated with chloramines
thus reducing shadows and providing light to the undersides of corals
Saltwater Refractometer Clownfish The flexible portion of theRefractometer for measuring marine saltwater in PPT or Specific Gravity. Requires calibration with 35ppt reference solution (not included)
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