Instant Ocean aquarium test kits make accurate testing easier than ever. Testing for ammonia and nitrite is essential when establishing a new aquarium, adding more fish to conditioned aquarium, or when medicating your aquarium. Easy-to-use and accurate individual test kits are great for the beginning hobbyist as well as the experienced hobbyist. Ideal for use with all marine, reef, and freshwater aquariums. Features fast-dissolving, foil-packed granular test chemicals, and transparent color chip right next to the test chamber for easy reference. Color chips are calibrated to ensure reliable test results. 20 tests each per Kit/Refill.

• Ammonia Test - Range: 0 to 0.8 milligrams/liter Ammonia-Nitrogen (NH₃-N)
• Nitrite Test - Dual Range (high and low level readings): 0 to 1.0 and 0 to 10 milligrams/liter Nitrite-Nitrogen (NO-₂-N)

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