Features:
1.9 in 1 water quality test: total alkalinity, pH, hardness, iron, copper, lead, nitrate, nitrite, water quick test, can provide results in seconds
health: test paper is suitable for drinking water, aquarium, Fish Tank, swimming pool and SPA, industrial water, pond and hot spring water testing.
3. Professional: high quality water quality tester, matching in color accurate, high sensitivity, use professional healthy drinking water test paper to test the water quality standard.
4. Easy to use: immerse the drinking water test paper in water for 2 seconds, place it in the air for about 1min, and then adjust the color of the bottle to get the reading.
5. Easy to carry: 100 pieces, water quality should be tested every week. Drinking water test strips are easy to operate even for beginners.
Specifications:
name: 9-in-1 water quality test strip
accuracy: 96%
material: PET
certification: FDA,CE,ISO
advantages: VC interference resistance
scope of Application: suitable for drinking water, aquarium, Fish Tank, swimming pool and spa, industrial water, pond, hot spring water, etc.
6. Test: total alkalinity/pH/hardness/iron/copper/lead/nitrate/nitrite/fluoride
test method:
1. Dip the reaction site of the test strip into the test solution for 1-2 seconds, remove the test strip and get rid of the excess water.
2. After 1 minute, compare the reaction site of the test strip with the color of the color card to determine the test value of the test solution.
3. The color comparison time should be controlled at about 60s. If the time is too long or too short, the reading will be affected.

Note:
1. Do not touch the test area of the reagent strip.
2. After removing the test strip, keep the remaining test strips sealed and protected from light.
3. Try to keep the liquid to be tested colorless or light.