Hach test strips are manufactured with a unique reagent pad at the tip, using proven chemistries based on standard reference methods. Just dip the strip, wait until color development occurs, and compare the color of the reacted pad to the chart printed on the bottle. Hach products are…

Nitrogen, Nitrate/Nitrite: Excessive amounts of nitrate or nitrite in water can cause infant death, adult illness, and produce spontaneous abortion in cows. Some wells contain high levels of nitrate. When water contains high nitrate levels, nitrites often are present in low concentration. …

Caused by the presence of carbonates, bicarbonates, hydroxides, and other dissolved salts, alkalinity is important to drinking water, food, and beverage processors; boiler operators; and aquatic biologists. Contains 50 tests. Easy to use, disposable, and inexpensive A great way to obtain…

In domestic water supplies, iron can do great economic damage by staining laundry and porcelain fixtures and by producing an off taste in beverages. In water supplies used for commercial beverage production, low levels of iron are critical. Hach's test strips provide the most easily-used method for…