[DETAIL] Features: 1. The test items include , residual chlorine, total chlorine, hardness, total alkali, copper, iron, E. coli, etc. 16 items. 2. Water quick test provides results in a matter of seconds. 3. Test strips are suitable for drinking water, aquarium, fish tank, swimming pool and spa 4. Easy to use. 5. 100 pieces,water quality should be tested weekly, 6. Drinking water test strips are easy to handle even for beginners. How to use: 1. Immerse the reaction area of the test strip in the test solution for 1-2 seconds, remove the test strip, and shake off the excess water on the test strip. 2. After 1 minute, compare the reaction area of the test paper with the color of the color chart to determine the test value of the test solution 3. The colorimetric time should be controlled within 1 minute. Too long or too short can affect reading. Specification: Name: 16-in-1 Water Quality Test Strip Packing: random style Accuracy: 96% Quantity: 100pcs Material: PET Certification:  CE, ISO Advantage: anti-VC interference ability Scope of application: suitable for testing of drinking water, aquariums, fish tanks, swimming pools and spas, industrial water, ponds, hot spring water, etc. Packing List: 1*Bottle of Water Test Strips(100pcs) Note: 1. Do not touch the test area of the reagent strip. 2. After removing the test strips, keep the remaining test strips sealed and protected from light. 3. Try to keep the liquid to be tested as colorless or light-colored as possible. See more product details 1.【Multiple Tests】Contains 16 tests for , hardness, copper, iron, E. coli, etc. Water Test Strip can meet your precise and multi-directional testing of water quality. 2.【Versatile Application】Water Tester is of wide application. It is suitable for drinking water, aquariums, fish tanks, swimming pools and spas, industrial water, ponds, spa water. 3.【High Accuracy】With Water Hardness Test, you can be more assured of water quality. It feature precise color coordination and high sensitivity, as well as accuracy of 96%. 4.【Ease Of Use】Home Water Test Kit is easy to use. Immerse the test strip in water for 2 seconds, hold in air for about 1 minute, then adjust the color of the back of the bottle to get a reading. 5.【100 Pieces Of Test Strips】Sufficient quantity to meet the needs of the whole family. Water Quality Tester contain 100 pieces, you can test the water quality once a week. [ATTRIBUTES] - Brand Name: VAHIGCY - Origin: Mainland China - Certification: weee - Brand Name: VAHIGCY - Origin: Mainland China - Certification: weee