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

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…

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 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…

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,…

BART Test, Iron-Related Bacteria BART Test, Sulfate-Reducing Bacteria BART Test, Slime-forming Bacteria BART biodetectors are excellent diagnostic tools to help identify the presence of process disruptors, such as bacteria creating slime layers and limiting disinfection. Find out if you…

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…

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.…

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…

Portable toxicity and bio-contaminant detection Microtox® FX is a simple, rapid, extremely responsive, portable water quality test system. Designed for acute toxicity screening and adenosine triphosphate (ATP) testing, Microtox® FX uses bioluminescence technology to screen for…

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…

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 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…

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…

The BrewLab™ test kit for Home Brewers quantifies 6 important test factors. Included is a digital pH meter for monitioring batches from start to finish. Experts agree water conditions affect your final product, so take the mystery out of great beer. Trust LaMotte, the water analysis experts…

All the benefits of DPD tablets in a liquid Can be used with existing LaMotte chlorine comparators or colorimeters Lower cost per test than tablets Quicker results and clearer colors than tablets DPD 1A and 1B reagents are added to a 5 or 10 mL sample to test free chlorine.…

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…

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…

Tests 0-5 ppm Five intervals: 0, 0.5, 1, 3 and 5 50 strips per vial Unique range and sensitivity covers critical chlorine concentrations for many applications of food processing, water/wastewater treatment, education and other areas.

Water hardness is caused almost entirely by calcium and magnesium ions. Other di- and trivalent 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. …

Double 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. With color matches within the Hi Range of 0-200-400-600-800-1000ppm…

Octet Comparator Method (9859C70 and C71) For determining ammonia nitrogen in water using Nessler method Octet Comparator has color standards representing 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0 and 8.0 ppm ammonia nitrogen Sufficient for 50 tests Octa-Slide Comparator Method…

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…

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…

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…

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…

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…

Vial of 100 test strips

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. …

Sulfate Test Kit, Model SF-1, 5-200 mg/L, 100 Tests, Extinction Method

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