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1. Semoic Soil Ph Paper Test Kit 200 Tester Strips (3.5-9 Ra

2. 1-14 Laboratory Paper Test Strips 80pcs Litmus Tester PH Indicator Saliva

   8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. The scale reads from 1 to 14 Each book also includes a color chart.

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3. 7 in 1 Swimming Pool PH Paper Test Strips Portable Factory Meter Tools

4. 7in1 PH Test Strips For Swimming Pool Spa Water PH /Bromine Measure Paper

   Instructions: 1. Immerse the test area of the test paper in water for 2 seconds. 2. Take out the test paper and place it horizontally for 60 seconds. 3. Compare the test paper with the colorimetric table of the bottle body, and complete the reading within 30 seconds to obtain accurate results. Matters needing attention: 1. Please cover the bottle immediately after taking out the test paper. 2. Don't put your wet fingers deep into the bottle. 3. Do not touch or stain the test area of the test paper. 4. Store in cool, dry and dark conditions. 5. Please use it up within the validity period. Color:as picture Size:as picture Material:paper Package:100pcs/box*Swimming Pool Test Strips

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5. 1-14 Laboratory Paper Test Strips Full Range Litmus Tester PH Indicator

   8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. The scale reads from 1 to 14 Each book also includes a color chart.

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6. 100pcs Professional 0-14 PH Test Strips Paper Kit For Testing Home Garden Soil

   PH 1-14: The scale reads from 1 to 14, 1-6 indicates an acidic substance, 7 indicates neutral, 8-14 indicates alkalinity, The test strip color changes must be matched with the pH scale color chart within about 15 seconds.

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7. 2 Pack Ph 1-14 Test Indicator 160 Strips Litmus Paper Water Soil Testing Kit

   PH range 0-14. The test strip size 55mm x 9.0mm / 2.20" x 0.35". Manufacturer reference L3500212. Part number L3500212. Add to Favorite. We're happy to help. Item Weight 10 g.

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8. 50-200PCS 3in1 Chlorine Dip Test Strip Hot Tub SPA Swimming Pool pH Tester Paper

   Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Total Alkalinity Test Range: 0~240ppm. Free Chlorine Test Range: 0~10ppm. Test at both ends of pool twice a week for best results. pH Test Range:6.8~8.4.

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9. 1-14 Laboratory Paper Test Strips 80pcs Full Range PH Indicator Saliva

   8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. The scale reads from 1 to 14 Each book also includes a color chart.

   eBay

10. 1-14 Laboratory Paper Test Strips 80pcs Litmus Tester PH Indicator Saliva

    8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. The scale reads from 1 to 14 Each book also includes a color chart.

    eBay

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