Water Total Hardness Test Strips 100ct 99 Accuracy Hard Water Testing Kit with 025 GPG Optimized Range Calcium Magnesium Tester for Water Softener Aquarium Pool Spa Drinking Well Water

life2O Water Total Hardness Test Strips are Ideal for Professional & Home Use: drinking water, well water, tap water, pools, hot tubs, spas, Jacuzzi, aquariums, aqua-culture, water softener, water treatment, water filter, industrial processes, cafes, restaurants, hotels & educational science experiments life2O Water Test Strip: Total Hardness Range: Water Total Hardness 0 25 GPG / 0 425 mg/L (PPM) Soft Water :: Below 3 GPG or 50 mg/L (PPM) Hard Water :: 3 15 GPG or 50 250 mg/L (PPM) Very Hard Water :: Above 15 GPG or 250 mg/L (PM) Benefits of Checking Your Water: ? Peace of mind that you are using the best water quality ? Reduce the operating costs of your pool, hot tub & spa ? Protect the health of fish, aquatic life and aqua-culture ? Shield your home and investmentS from the bad effects of hard water ? Make sure your water filter & water softening systems are working properly ? Increase production of hydroponics & gardening by water quality monitoring ? Live a better, healthier & longer life! Our Advantages: ? Measures EPA and WHO Standards ? CE & Plumber Approved ? NextGen Color pads with 99% high accuracy ratings ? Long shelf life: 2 years unopened 90 days after opening ? Dark, sealed, anti-moisture bottle ? Leaflet with large color chart Directions: 1. Immerse the strip into the water sample for 1-2 seconds, then remove 2. Hold the strip horizontally so the color pad does not bleed onto itself 3. Match the color on the strip with the color on the bottle label (read the results 60 seconds after contact with sample) Disclaimer: Our water test strips are developed for multi-use which may not be sensitive enough for trace amounts of elements. For an in-depth analysis, please seek professional lab testing.