Instant Ocean Reef Master Test Kit (includes tests for pH, alkalinity, Nitrate, phosphate & calcium)
Instant Ocean aquarium test kits make saltwater testing easier than ever before for the beginning hobbyist as well as the experienced aquarist. The one-piece color chip comparator is easier to use than any other saltwater test kit available. The durable wide-mouth holder has more room for adding the test chemicals and is more stable to prevent spilling. Foil packets protect the granular test chemic als from l ight and moisture, and keep them fresh indefinitely.