multifunctional 9-in-1 swimming pool test paper 50 pack residual chlorine ph value drinking water hot spring pond water 多功能9合1游泳池测试纸 50条装 余氯 PH值饮用水温泉池塘水

Features:
1.9 Multi-attribute water quality test: total alkalinity, pH, hardness, iron, copper, lead, nitrates, nitrites, rapid water test that provides results in just a few seconds
Health: The test strip is suitable for testing drinking water, aquariums, fish tanks, swimming pools and SPA water, industrial water, ponds, and hot spring water.
3. Specialty: High-quality water quality tester with harmonious and accurate colors, high sensitivity; uses professional healthy drinking water test strips to measure water quality standards.
4. Easy to use: Immerse the drinking water test strip in water for 2 seconds, let it stand in air for about 1 minute, and then adjust the color of the bottle to obtain the reading.
5. Easy to carry: 100 strips; water quality should be tested weekly. Even for beginners, the drinking water test strips are simple to use.
Specifications:
Name: 9-in-1 Water Quality Test Strip
Accuracy: 96%
Material: PET
Certification: FDA, CE, ISO
Advantages: Ability to resist VC interference
Scope of application: Suitable for drinking water, aquariums, fish tanks, swimming pools, spa centers, industrial water use, ponds, hot springs, and similar applications.
6. Tests: Total alkalinity / pH / hardness / iron / copper / lead / nitrates / nitrites / fluoride
Testing Method:
1. Immerse the reaction area of the test strip in the test solution for 1–2 seconds, then remove the test strip and shake off any excess water.
2. After 1 minute, the reaction area of the test strip will be compared with the color of the color card to determine the test value of the test solution.
3. The color comparison time should be kept around 60 seconds. If the time is too long or too short, it will affect the reading.

Note:
1. Please do not touch the testing area of the reagent strip.
2. After removing the test strip, keep the remaining test strips sealed and away from light.
3. Try to keep the liquid to be tested colorless or light-colored.