50Pcs 6-In-1 Swimming Pool PH Test Paper Residual Chlorine PH Value Alkalinity Hardness Test Strip PH Tester

2. 17S test: There are 2 test strips for underwater soaking pools, keep about 15 in the air, and then match the color of the strip to the color on the back of the bottle, which takes about 17 seconds. Pool test strips are easy to use and even suitable for beginners.

3.Environmental protection: The water quality of the pool should be tested weekly. A pack of test strips includes 50 pool test strips and seals, 5 moisture-proof packages to ensure long-term storage.

4. Health: Test strips are used for swimming pool, spa, hot tub water testing, and you can ensure that the right amount of chemicals are kept in the pool to avoid health problems and equipment damage.

5.Test twice at the pool twice a week for best results.A good way to easily understand your water quality in the key.

Type: 6-In-1 Swimming Pool Test

Display Type: Digital

Test: TC, CL, PH, ALK, CYA, TH

Test Range:

Total chlorine test range: 0 ~ 10ppm

Free chlorine test range: 0 ~ 10ppm

PH test range: 6.8 ~ 8.4

Total alkalinity test range: 0 ~ 240ppm

Total hardness test range: 0 ~ 1000

Cyanuric acid test range: 0 ~ 240

Colour:As shown

Material:PET

Size:9.7*3.5cm

Package Contents:

50*Swimming pool test strip

Only the above package content, other products are not included.