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W-7 test stripes Parameters: offers a complete 7 -in-1 water test strips that provide simple testing for your water, pool, and spa giving you clear reading results on various chemical components with test results on the following:
Total Alkalinity, Free Chlorine, Ph, Total Hardness, Total Chlorine, Cyanuric Acid, Nitrite, Nitrate, Bromine, Copper, Lead, Iron, chromium, Ammonia Custom production accepted. We can make them for you according to your request.
Model Number: W-7
Type: Pool
Product Name: water test strips W-7
Keyword: Swimming Pool & Spa test strips
Certificate: ISO CE
Packing:50strips/barrel, 10strips/bag, bags barrel
Material: PET
Item:Total Hardness Total Chlorine Free Chlorine PH Total Alkalinity
Shelf life:24 months
Size:90*40mm
Delivery time: 7-15 Working Days
| Items | Range |
| Hardness | 0 50 100 250 500 1000 |
| Free Chlorine | 0 0.5 1 3 5 10 20 |
| Nitrate | 0 10 25 50 100 250 |
| Nitrite | 0 1 5 10 |
| Carbonate Root | 0 20 40 80 120 180 |
| PH | 6.2 6.8 7.2 7.8 8.4 |
Application range and after-sales serviceThe quality of water depends primarily on the concentration of bacteria, lead, pesticides, nitrites/nitrates, chlorine, hardness, and the water’s pH. Chlorine aids in disinfecting; nitrates leached from fertilizers are harmful to infants; calcium and magnesium (“hardness”) can cause scale buildup in pipes, and water with very high pH levels (acidic water) can corrode fixtures.
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