Questions about the filter?The TDS meter offers you a current idea of TDS conditions and the effectiveness of what's going on with filters or other reverse osmosis systems. With this water tester, you will be very aware of the quality of water at home.Know nothing about the water quality?It gives you an idea how good or how bad the water is before you are using or drinking when hiking, camping and traveling. Also, it allows you to keep tracking the water quality in the aquarium or agriculture.A must-have TDS meter for people who care about water qualityTotal Dissolved Solids (TDS) is the total weight of all solids (minerals, salts, or metals) that are dissolved in a given volume of water, expressed in milligrams per liter (mg/L), or in parts per million (PPM).The higher TDS level in the water, the more the probability of harmful contaminants that can pose risks on health or hinder the absorption of water molecules on the cellular level. How to use the mineral testing pen (BIO)?1. Remove the protective cap.2. Put the pen into the solution under test, then it can identify the difference between pure water and energy water. It is pure water if there is no light on. On the contrary, it is mineral energy water if there is light on.3. After using, please wipe its probe clean.SpecificationTDS Range: 0-9990ppmConductivity Range: 0-9990 µs/cmTemperature Range: 32.0-176.0°F (0.1-80.0°C)Accuracy: ± 2% F.SPackage includes1 x TDS Tester1 x Mineral Tester1 x Premium Leather Case1 x ManualNoteWe provide a LIFETIME WARRANTY for our products. If you have any problem or suggestion, please feel free to contact us by e-mail firstly and professional technical staffs will help you deal with the issue.
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