Water hardness is caused almost entirely by calcium and magnesium ions. Other di- and trizalent metals have a similar effect, but usually are not present in high enough concentration in potable waters to cause problems. Hardness increases soap consumption in laundries and causes scale in boilers. …

C997K17 Free Chlorine Buffer Solution. Use with Chlorine Indicator Solution (2314011) and DPD Compound (2297255) for testing Free Chlorine using the Rapid Liquid method, the CL17 Process Analyzer or bulk analytical methods. C997K18 Free Chlorine Indicator Solution. Use with…

Alkaline Cyanide Reagent, Solution For determination of low level manganese Bottle/100 mL Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

For determination of ferrous iron by the 1,10-phenanthroline method (Hach method 8146). Method: 1, 10 Phenanthroline Range: 0.02 to 3.00 mg/L Fe 2+ Sample: 25 mL Parameter: Iron, Ferrous Pack of 100 Powder Pillows Hach products are intended for…

DPD Free Chlorine Reagent Dispenser and Reagent Vial, 250 Tests USEPA accepted for reporting drinking water analysis using Hach Method 8021 Sample Size: 10 mL Range: up to 2.00 mg/L Contains 1 Refill Vial with enough reagent for 250 Tests Backed by over…

Most natural waters range from pH 4 to pH 9, but commonly are above pH 7 because of carbonates and bicarbonates (alkalinity). The pH of water used in industry, boiler feed water, and swimming pools usually is kept within a narrow range. Contains 50 tests. Easy to use, disposable, and…

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…

For determination of Reactive (ortho) and Total Phosphorus (phosphate) by the Ascorbic Acid method, using TNTplus vials. Hach Methods 10209 (reactive) and 10210 (total) UHR Range: 2-20 mg/L PO4-P (6-60 mg/L PO4) 25 tests/package Hach products are intended for sale/shipment…

Perform routine laboratory pipetting quickly, economically, and accurately with Hach's automatic TenSette® Pipet. Two models dispense from 0.1 to 1 ml or from 1 to 10 ml in 0.1 or 1.0 ml increments, respectively. The pipet saves time, reduces glassware cleanup, and assures accuracy. …

Powder pillows for 50-mL sample (For Calcium, EDTA Titration Method) Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

For Nitrogen, Ammonia Salicylate Method Sample Size: 10 mL pk/100 Powder Pillows Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

*** Accessories Available - Meter has been discontinued *** Basic, inexpensive meter produces reliable results Waterproof (IP67) Measures/compensates temperature in °C or °F European CE Mark Anti-glare coating Powered by long-lasting batteries (est 500…

For copper determination by the bicinchoninate method. Copper Reagent, CuVer® 1 Method: Bicinchoninate USEPA accepted for wastewater reporting using Hach Method 8506 Range: up to 5.00 mg/L Sample: 10 mL pk/100 Powder Pillows Hach products are intended for…

For Nitrogen, Ammonia Salicylate Method Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

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. …

Wastewater-based epidemiology (WBE) and wastewater surveillance can be a powerful tool for communities, businesses, schools, universities, and municipalities looking to track and prevent the spread of COVID-19 infections. According to the CDC, SARS-CoV-2 RNA detection in sewage serves as a COVID-19…

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…

USEPA accepted for reporting wastewater analysis using (Hach Method 8051). Method: SulfaVer® 4 Range: up to 70 mg/L Pack of 100 Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place…

Normally found in water and soil as ammonia (NH₃), nitrate (NO₃), and nitrite (NO₂), nitrogen is an indispensable part of the life cycle. However, concentrations above certain levels can present problems. Thomas No. 3241S80 Utilizing the simple color…

Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

Reagent for aluminum determination by the aluminon method (Method 8012), manganese determination by the PAN method (Method 8149) and total chelant determination by titration (Method 8350). Parameter: Aluminum, Chelant, Manganese Pack of 100 Powder Pillows Hach products are…

Citric Acid Powder Pillows For Silica Analysis Reagent for use in the silicomolybdate method (Hach method 8185) for the determination of high range silica (0-100.0 mg/L SiO2) Sample Size: 10 mL pk/100 Powder Pillows Hach products are intended for…

High range silica (0-15 mg/L) silica 10-mL sample Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

For use in the heteropoly blue method (Hach method 8282) for the determination of ultra low range silica (0-1000 ug/L SiO2) Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

Take The Guesswork Out of Your Measurements Hach Pocket Pro and Pro+ are engineered to deliver accurate results. Backed up with built in performance diagnostics, you never have to guess when to clean or calibrate the sensor. You also get replaceable batteries for convenient field…

For TenSette Pipet 1970010 1.0-10 mL Sterile pk/50 Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

Phosphate Standard Solution as PO4 (NIST) 50 mg/L Bottle/500 mL Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

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…

This silicone oil is odorless, colorless, water-repellent and yet permeable to air. It is mechanically, chemically, and thermally stable. Multiple uses, including preparation of turbidity sample cells Excellent lubricant In self-contained 15 mL (0.5 oz) dropping bottles …

For determination of Total Kjeldahl Nitrogen by the Simplified TKN (s-TKN™) method, using TNTplus vials. Hach Method 10242. Range: 0-16 mg/L TKN. 25 tests/pkg. Digestion is required. Reduce Errors with Bar-coded Vials No Reagent Blank Necessary Innovative Vial and Reagent…

Bromcresol Green - Methyl Red Indicator For Alkalinity Titrations pk/100 Powder Pillows Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.