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1. 7-in-1 Aquarium Test Strips – 100 Count Water Testing Kit for Fresh & Saltwater

   In general, the higher the pH and water temperature, the stronger the toxicity. Fish are more sensitive to ammonia nitrogen in water and as a result, high ammonia nitrogen content will cause fish death.

   eBay

2. 50 Sheets 4 In 1 Test Strips for Swimming Pool Spa Hot Tubs Water Total Chlorine, Free Chlorine/Bromine, pH, Total Alkalinity

   50 Sheets 4 In 1 Test Strips for Swimming Pool Spa Hot Tubs Water Total Chlorine, Free Chlorine/Bromine, pH, Total Alkalinity

   Aliexpress UK

3. Labsales 2-in-1 Hot Tub, Spa & Pool Water Test Kit for Alkalinity & Hardness

   The Labsales Story. Labsales Presents Our Professional Test Kits. Everything you need to test for multiple chemical levels all in a handy range of 3 kits. Whether your looking to test for Chlorine and pH in your Hot tub or Alkalinity and Hardness in your leisure facility and swimming pool we've got you covered.

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4. Children's Bubble Blowing Toy Bubble Water Summer Mini Compact Portable 10CM Small Test Tube Bubble Stick with Bubble Water

   Children's Bubble Blowing Toy Bubble Water Summer Mini Compact Portable 10CM Small Test Tube Bubble Stick with Bubble Water

   Aliexpress UK

5. Water Testing Strips Kit Nitrate Nitrite Total Hardness Total Alkalinity pH x 5

   Each strip is precisely impregnated with the chemistries needed to test for pH, total alkalinity, total hardness, nitrate, and nitrite. Wait 25 seconds and compare your pH, alkalinity and hardness results with the chart on the bottle.

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6. 7 in1 Aquarium Test Kit, Fish Tank Water Testing (10-200x Tester Strips) Bulk UK

   ALittleLife Aquarium 7 in1 Tester Strip. Each 7 in1 strip tests for Use weekly and when setting up a tank. Ammonia Each strip tests for Ammonia (NH3/NH4). Total Hardness (GH). Total Alkalinity (KH).

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7. 16 in1 Drinking Water Test Kit Strips, 100 cnt. Home Water Quality Test for Tap.

   Take 5-10ml of sample water, and take the supernatant for testing after resting. Scope of application: for drinking water, household faucets, water purification, swimming pools, fish pond water and more water quality testing.

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8. TMC Salifert Profi Test Kit Saltwater Marine Reef Water Testing Coral Fish Tank

   Salifert test kits provide precise and accurate results. Bold colour changes and good colour comparison charts. TMC Salifert Ammonia ProfiTest Kit 50 Tests. TMC Salifert Potassium Reef Test Kit. TMC Salifert pH ProfiTest Kit 50 Tests.

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9. SimplexHealth 5-in-1 City Water Test Chlorine pH Alkalinity Hardness (5 Strips)

   No MSDS required. Keep away from children and pets. Each strip is precisely impregnated with the chemistries needed to test for free chlorine, total chlorine, pH, total alkalinity and total hardness.

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10. Drinking Well Water Home Test Kit: pH & Alkalinity Total Hardness Iron Nitrate

    This Simplex Health mini Well Water Quality Test Kit tests forpH, Total Alkalinity, Total Hardness, Iron, Nitrate and Nitrite. Total Alkalinity: 0, 40, 80, 120, 180, 240, 500 ppm (mg/l). Total Nitrate (as N): 0, 2.0, 10, 20, 50 ppm (mg/l).

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