Qguai 9 in 1 Aquarium Test Strips Water Test Strips for Saltwater Freshwater Pond Pool Spa Test pH Nitrate Nitrite Carbonate Chlorine Alkalinity Hardness Fast and Accurate50 Strips

Just be proactive with our aquarium. As fish enthusiast, we need to keep an eye on the water our fishes are living in. The water condition is life and death regarding to your fishes and plants.Just start testing your water with Qguai aquarium test strips. Water condition may vary over time and invisible water problem may happen, so we need a quick and easy way to see if the water in your fish tank is ok for your fishes and plants. this Qguai 9 in 1 Water Test Strips are used to test these parameters in pond pool water and freshwater saltwater aquarium, ?Nitrate ?Nitrite ?Free Chlorine ?Total alkalinity ?pH ?KH / Carbonate ?Copper ? Iron ?Total Hardness/TDS, just use it to ensure a good living environment for your fishes. But there are some Important tips we need to notice: - Storage conditions: 2C ~ 30C dry place, keep away from light to ensure freshness and longevity (2C ~ 8C better preservation). - Validity period: After opening, put the lid back on after you take out a strip and placed in a dry place at 2 C ~ 30 C to protect from light, and the validity period is 24 months. Pls notice the date on the bottle and the label is the production date, Lot: 2019082006 means it is produced on 08/20/2019, batch 6, so the expiratios date is 2 years after this day. - Do not hold the testing zone in case it may be contaminated and the result may be different. - Any problem, pls contact us through amazon and we will help you.