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5 in 1 Aquarium Test Strips - API

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It is important for aquarists to provide a healthy aquarium environment by approximating the water conditions of the natural habitats of their fish. This requires routine water testing to make sure that conditions are correct for the fish being kept. API 5 in 1 Aquarium Test Strips are the quick and easy way to test 5 of the most important measures of aquarium water quality: General Hardness (GH), Carbonate Hardness (KH), pH, Nitrite (NO2-) and Nitrate (NO3-). These 5 parameters should be tested weekly, since natural materials in the aquarium, such as fish waste and decaying food, as well as water changes and evaporation can cause these levels to shift over time.Testing Instructions:1. Dip strip directly into aquarium.2. Swirl 2 times.3. Remove horizontally with pads face up.4. Do not shake off excess water.5. Compare to the color chart on the tube.6. Starting with the pad closest to your hand, immediately read General Hardness (GH) and Carbonate Hardness (KH).7. Wait 30 seconds, then read pH, Nitrite (NO2-) and Nitrate (NO3-). Storage Instructions: Store in a cool, dry place

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