219
people found this helpful, as of 2023
ranked #140,361 most helpful
out of 571,544,897 reviews
★★★★★
Works great
I took sample of my well water and it showed around 10 grains then I tested my house water which is treated with softner and it read between 0 and 1.5 grains. Very happy with test stips and price is great
the product in question
Water Total Hardness Test Strips 100ct | 99% Accuracy Hard Water Testing Kit with 0–25 GPG Optimized Range | Calcium & Magnesium Tester for Water Softener, Aquarium, Pool, Spa, Drinking & Well Water
4.2★ · 625 ratings, as of 2023