Amtra PRO Test Ca for Marine Aquariums, Quick and Easy Quality Control of Calcium, Saltwater with Reference Scale, Up to 50 Tests

Aquarium Test Kit: Water test to measure the value of Ca in seawater aquariums. QUICK TEST: Allows you to quickly and easily determine the quality of aquarium water, in a few seconds step by step thanks to the included guide EASY KIT, ALL INCLUDED: Fill the tube with aquarium water with the supplied syringe, add the reagent according to the directions, compare the result with the value on the colorimetric paper. With reference colour scale: Easy and immediate reading of values by comparing with the reference colour scale LONG-LASTING: Package allows for a long time periodic check, useful for performing 50 tests.