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accurate and fast results for measuring salinity in your aquariumMarine Salinity TesterIn stock Please note - All prices are inclusive of GST and not all items are stock items
modern design
Sleek modern design
Less complex laboratory grade accuracy - Requires only 1 reagent
It bonds within seconds and has excellent control
D-D True Seawater Refractometer Mat accurate and fast results forWhat is different about the D D Seawater Refractometer? Almost all hand held salt water refractometers available to the hobby are designed and calibrated for the testing of brine solutions, i. e. sodium chloride, and are not calibrated for the refractive index of natural sea water. Even though the largest percentage of salt in the sea is sodium chloride, the presence of other significant ions such as magnesium and calcium in natural sea water results
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