API 5-in-1 Aquarium Test Strips

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 colour 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- ). Testing Tips • Keep wet fingers out of the tube. • Close tube tightly after removing strip. • Store in a cool, dry place.