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

Most Widely used DPD Chlorine Tablets for Determining Free and Combined Chlorine DPD chlorine tablets employ DPD indicator (diethyl-p- phenylenediamine) to distinguish levels of free, combined, and total chlorine in a simple test sample. DPD chlorine tablets designated “Instrument…

The level of dissolved oxygen in natural waters is often a direct indication of quality, since aquatic plants produce oxygen, while microorganisms generally consume it as they feed on pollutants. At low temperatures the solubility of oxygen is increased; during summer, saturation levels can be as…

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.…

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. Fast,…

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

3 ranges of PAA test strips available covering low (0-50 ppm), medium (0-160 ppm) and high (0- 1,000 ppm) range concentrations The Insta-Test® 3000 test strips determine peracetic acid concentrations from 0-160 ppm. The test has a 10 second development time. The container has a desiccant liner…

A method for measuring the color of potable water in terms of an easily reproducible color standard is essential to water engineers responsible for the distribution of supplies for public consumption. Color determinations are useful for detecting any irregular contamination of the supply due…

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…

Because of its strong oxidizing properties, chlorine is an excellent biocide used to treat potable waters, municipal wastes, and swimming pools. When used to treat potable water, chlorine helps alleviate the adverse effects of iron, manganese, ammonia, and sulfide. The Maximum Residual Disinfectant…

Test tap water from any source and study the impact of urban water on the city’s environment. "Wet in the City," a hands-on kit, introduces the basic concepts of water chemistry–even to kids as young as third grade! Non-hazardous TesTabs® make "Wet in the City" an…

For determination of Total Nitrogen by the Persulfate Digestion method, using TNTplus vials. Hach Method 10208, Low Range: 1-16 mg/L N. 25 tests/package.

The Micro Check Test Strips are an accurate, inexpensive and safe alternative for reagent chlorine testing. Quick, accurate and easy to use results are achieved in under 1 minute.  Free Chlorine with sensitivity as low as 0.05ppm (mg/L). Micro Check free, detection levels ppm (0, 0.1,…

For use with the Aqua Tester

Control of chlorine and pH in pools and spas to maintain safe bathing conditions and to protect against system corrosion. Supplied with color discs and comparator for monitoring chlorine and pH, the Free & Total Chlorine and pH Test Kit provides more accuracy than test kits using color cubes. …

Accurate and easy to use - just dip and read! Great for quick, on-site evaluations of free and total chlorine levels The most widely used disinfectant for drinking water, chlorine is also important for sanitizing swimming pools, cooling towers, other industrial equipment, and in the…

Direct Reading Titrator (9860J75 and J76) For determining dissolved oxygen in natural and treated waters Employs azide modification of Winkler method Range from 0 to 10 ppm with 0.2 ppm sensitivity Sufficient for 50 tests at 10 ppm Ideal for daily monitoring or D.O. meter checkups and…

Detect free or total chlorine concentrations as low as 0.05ppm Test strips for field testing and quality-control procedures; provide a safe and economical alternative to reagent chlorine testing. Includes: 50 test strips are supplied in bottle labeled with instructions,…

Kit comes in a plastic case and contains everything needed to perform 30 tests (except distilled water): Refill, Low and High Range Comparators, dilutor snapper cup, micro test tube, and instructions. Range: 0-30 & 30-300 ppm MDL: 5 ppm Method: Direct Nesslerization …

For determination of Reactive (ortho) and Total Phosphorus (phosphate) by the Ascorbic Acid method, using TNTplus vials. Hach Methods 10209 (reactive) and 10210 (total). Low Range: 0.05-1.50 mg/L PO4-P (0.15-4.50 mg/L PO4). 25 tests/package. Reduce Errors with Bar-coded Vials No Reagent…

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. …

Multi parameter test kits for broader testing capabilities. Each kit contains strips for 2 tests per parameter.

All necessary reagents for the analysis are contained in the cells Considerate packaging design protects the cells from fluctuation even in unfavorable environment Elimination of possible mistakes through barcode-system

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…

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,…

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…

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…

Room temperature incubation Easy to do Results in 48 hours Bacteria Check (3108U83) is a presumptive Presence-Absence test for Coliform bacteria based on Lactose Fermentation as described in Standard Methods and by the USEPA. Color change from purple to yellow afer 48 hour room…

Tests for the EPA limit of 15 ppb (μg/L) Lead in water The Lead Water Test for water quality testing is a revolutionary product designed to make testing for Lead safe, easy, and affordable. This patent pending device utilizes a lateral flow test strip, similar in technology to home…

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 

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…

For determination of Chemical Oxygen Demand (COD) by the Reactor Digestion Method, using TNTplus™ vials. Hach Method 10212. Range: 250-15,000 mg/L COD. Reduce Errors with Bar-coded Vials and RFID No Reagent Blank Necessary Innovative Vial and Reagent Delivery Helpful package design