$0.56
See if it's really the one
Search with this product to compare it, find similar styles, or turn up something better before deciding.
Specifications nit Dimensions: Size :20cm x 4cm x 3.8cm Measuring Range:0-100‰ Salinity Min.div/Accuracy:0.1% Salinity Measuring Range:1.000-1.070 sg (Water Gravity) Min.div/Accuracy:0.001 sg About The Reef Casa salinity refractometer is a professional grade optical instrument made to the highest standards for obtaining extremely accurate measurement of salinity. Its precisely engineered and heavy duty, out performing any other refractometer on the market. Once you have held one and tried you will understand why so many hobbyists trust this device to the well being of their salt water aquariums. Manual Click here for the refractometer manual
Have a question about this?
We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2026
$0.56