Ozone is a strong oxidizing agent and is used as an alternative to chlorine as a biocide in the disinfection of drinking water. Ozone is used to remove odor, decolorize, and to control algae and other aquatic growths. Ozone is also used in various disinfectant and sterilization processes in…

Water Quality Testing. Dramatically Streamlined. The Hach SL1000 Portable Parallel Analyzer (PPA) performs the same tests with less than half the manual steps. Get highly accurate results, with less opportunity for errors, in a fraction of the time. Up to six parameters, tested…

Strips chemically treated with starch and cadmium iodide measure total chlorine to determine the strength of sanitizers in cleaning solutions. Furnished in plastic vial of 200 1/4” x 3 1/2” strips, with color comparison chart, which has three standards 50, 100 and 200 ppm

Chloride is found in nearly all natural waters and affects human taste above 250 mg/L. High levels inhibit plant growth, and many industrial processes need to limit chloride concentration. Contains 40 tests. Easy to use, disposable, and inexpensive A great way to obtain quick,…

The Insta-Test Low Range Hydrogen Peroxide Test Strips is a convenient way to quickly measure peroxide levels in water with fast dip and read results. Range and sensitivity is 0, 1, 3, 10, 30, 50 ppm.   Applications: Drinking Water, Industrial Water Boiling and Cooling, Laundry…

Single Roll Hydrion Quat Check Test Paper provides a simple, reliable, and economical means to measure the concentration of Quaternary Sanitizers, specifically Alkyldimethylbenzyl ammonium compounds, Rocall II, and Hyamine 3500. The Color matches within the Hi Range cocentration at…

This MEL provides all the hardware to carryout the Most Probable Number (MPN) method. In additon to potable water, the MPN method is ideal for wastewater samples and nonpotable samples, because the analyst can accomodate highly turbid samples which would otherwise require filtration. MEL/MPN Total…

Direct Reading Titrator (9859X42 and X43) For determining total hardness of water Range 0 to 200 ppm as CaCO₃ in 4 ppm increments Titrators may be refilled to test higher concentrations Sufficient for 50 tests at 200 ppm Direct Reading Titrator (9859X72 and X73) For…

For determination of Ammonia Nitrogen by the Salicylate Method, using TNTplus vials. Hach Method 10205. Ultra Low Range: 0.015 - 2.00 mg/L NH3-N. 25 tests/package Reduce Errors with Bar-coded Vials No Reagent Blank Necessary Innovative Vial and Reagent Delivery Helpful package…

For determination of reactive (ortho) phosphate (phosphorus) by the PhosVer® 3 ascorbic acid method.  USEPA accepted for reporting for wastewater analysis using Hach Method 8048, Phosphorus, Reactive.  Also used in acid-hydrolyzable and total phosphorus determination, after…

Sensitive, safe to use - SenSafe No reagent preparation time Easy to do, quick results These test strips are an excellent alternative to wet chemical chlorine tests. The unique indicator (TMB) is reactive only to free chlorine; therefore, no interference from monochloramines occurs.…

5-in-1 test strips are great  for quick, on-site evaluations of water quality with reliable results on every test.  These mulit-parameter test strips test for five water quality measurements on 1 strip: Free Chlorine (0-10 mg/L) Total Chlorine (0-10 mg/L) Total Hardness (as…

Direct Reading Titrator For determining levels of sodium in natural and treated waters Range 0 to 500 ppm sodium in 10 ppm increments Test requires three titrations: one to determine bicarbonate and carbonate ions; one to determine sulfate and chloride ions; and one to determine calcium and…

Yes/No qualitative test Sensitivity less than 2.2 per 100 mL of sample No incubation equipment required; only room temperature

Direct Reading Titrator For determining QAC (quaternary ammonium compounds) in cooling waters and sanitizing solutions Range of 0 to 500 ppm QAC in 10 ppm increments Sufficient for 50 tests at 500 ppm 

Reagents Chlorine is the most widely used disinfectant for drinking water and is also important for sanitizing swimming pools, cooling towers, other industrial equipment and treatment of wastewater. Its measurement and control are vital for both safety and economic reasons. Many Hach chlorine…

This Chlorine test kit measures for Chlorine using the direct reading titrator method. Range/sensitivity is 0-10 ppm/0.2 ppm Cl. Applications: Drinking Water, Food and Beverage, Industrial Water Boiling and Cooling, Laundry and Sanitation, Water and Wastewater # Tests (# Rgts): 50 at 10…

3322 Octa-Slide Comparator System For determining total sulfide Sufficient for 50 tests NPDES-EPA accepted Unit uses the Pomeroy methylene blue method for analysis. Total sulfide is determined using a color dye, which is added to an un-reacted sample until it matches a reacted…

Applications: Industrial Water Boiling and Cooling, Water and Wastewater This kit tests for Total Hardness using the Dropper Bottle Method. All results are as CaCO₃. Range/sensitivity is 1 drop = 2, 5, or 10 ppm CaCO₃.

Resulting from the anaerobic decomposition of organic matter, hydrogen sulfide is present in many water supplies. Sewage and industrial wastes are other sources of sulfide pollution. Highly toxic, this compound has a characteristic rotten egg odor, which can be detected long before harmful…

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…

Octet Comparator For determining total iron (dissolved, suspended and collodial) in natural waters Octet Comparator has color standards representing 0.5, 1.0, 2.0, 3.0, 4.0, 6.0, 8.0 and 10 ppm iron Bipyridyl indicator Sufficient for 100 tests Octet Comparator For determining trace…

For measuring water turbidity (cloudiness) according to either EPA or ISO Standards Easy Calibration and Operation Auto Ranging from 0-1100 NTU Simple 5 key operation Signal Averaging for stable and accurate readings Long Battery and Bulb Life Portable for use either in the…

DPD Tablet Octa-Slide (9859G42) Sufficient for 50 tests Employs DPD tablet method: EPA- accepted method for NPDWR Octa-Slide has color standards representing 0.2, 0.4, 0.6, 0.8, 1.0, 1.5, 2.0 and 3.0 ppm Cl Low Range Octet Comparator (9859H10) Employs DPD tablet…