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1. Aquarium, 7 in 1 5 in 1 Aquarium PH Test Strip Kit, 6 in 1 Nitrite Test Paper - 7 in1 Type

2. 160pcs Full Range 1-14 PH Test Paper Strips Litmus Testing Indicator Universal

   8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. compare the color change of the paper to find out the acidity level of your testing subject. The test sdivip color changes must be matched with the pH scale color chart within about 15 seconds.

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3. 100pcs Soil pH Test Strips Kit, 3.5-9 Range, High Accuracy for Garden and Lawn

4. Labrat Supplies Plastic Ph Test Strips Universal Application Ph 0.0-14.0 0.5 Ph Intervals 100 Strips

5. CLEARWATER HOT TUB POOL SPA DIP TEST STRIPS 25-50-100 PH STRIPS SWIMMING POOL

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6. Blood in Urine Home Test Kit - 100 Strip - UTI Cystitis Ketones Glucose pH +more

   Cystitis screening. Blood in your pee may be bright pink, red or dark brown. Can be used to test for blood in the Urine that could be a symptom of Renal and Liver markers + pH + Specific Gravity test pads.

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7. Instruments Direct Single Parameter(s) pH Test Strips, max. measurement 14pH - 50 strips

8. pH Test Strips Pack of 50 for Pools - 6-In-1 Pool Test Strips for pH, Chlorine, Bromine, Alkalinity, Hardness

9. 6-in1 Chlorine Dip Test Strips Swimming Pool Water SPA Hot Tub PH Tester Paper

   Easy to test: free chlorine/bromine, pH, total alkalinity. Total alkalinity test range: 0~240 ppm. Item Type: Swimming Pool Spa Test Paper. Great for pool and spa testing. Total Chlorine test range: 0～10 ppm.

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10. Litmus Paper pH 1 to 14 Test Book 80 Strips for Soil Water Liquid Hot Tub Urine

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11. Aquachek 4 Way Chlorine Test Strips 50 Pack Hot Tub Swimming Pool PH Strip Dip

    Total Alkalinity - keeping this correct will stop sudden PH changes. Stabilizer (Cyanuric Acid) - An ideal level of Cyanuric acid protects against chlorine loss caused by sunlight. Keep PH between 7.2 and 7.6 on the scale.

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12. Swimming Pool PH Test Strips SPA Swimming Pool Water Tester Paper Hardness Tool for Chlorine Bromine

13. 50/100pcs Chlorine Dip Test Strips Hot Tub SPA Swimming Pool PH Tester Paper .

    Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Test range for total alkalinity: 0 ~ 240 ppm. Total chlorine test range: 0 ~ 10 ppm. Free chlorine test range: 0 ~ 10ppm. Test at both ends of pool twice a week for best results.

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14. 50pcs 6 IN 1 Chlorine Dip Test Strips Hot Tub SPA Swimming Pool PH Tester Paper

    Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Total alkalinity test range: 0~240 ppm. Total chlorine test range: 0～10 ppm. Residual chlorine test range: 0～10ppm. Test at both ends of pool twice a week for best results.

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