For determination of Total Nitrogen by the Persulfate Digestion Test 'N Tube method:  Hach Method 10072. Range: 10 - 150 mg/L N. 25-50 tests (dependent upon the number of reagent blank tests performed) Test 'N Tube products provide safe, convenient testing Easy…

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…

DPD Powder Pop® Dispenser with tests for Chlorine Compact and convenient Redesigned dispenser prevents clogging Dispense into round or square cuvettes Push button operation for precise dosing Portable dispensers accurately deliver the correct volume of DPD reagent for…

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…

Low-level ammonia nitrogen may be naturally present in water as a result of the biological decay of plant and animal matter. Higher concentrations in surface waters can indicate contamination from waste treatment facilities, raw sewage, industrial effluents (particularly from petroleum refineries),…

For determination of Reactive (ortho) and Total Phosphorus (phosphate) by the Ascorbic Acid method, using TNTplus vials. Hach Methods 10209 (reactive) and 10210 (total). High Range: 0.5-5.0 mg/L PO4-P (1.5-15.0 mg/L PO4). 25 tests/package Reduce Errors with Bar-coded Vials No Reagent…

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.…

UN Number: UN3316

Iron is present in nature in the form of its oxides, or in combination with silicon or sulfur. The soluble iron content of surface waters rarely exceeds 1 mg/L, while ground waters often contain higher concentrations. The National Secondary Drinking Water Standard for iron is 0.3 mg/L, as iron…

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

Sulfides are naturally present in ground waters as a result of leaching from sulfur-containing mineral deposits. Surface waters do not usually contain high sulfide concentrations. Sulfides result from the decomposition of organic matter, from bacterial sulfate reduction under anaerobic conditions…

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…

Biological Activity Reaction Test (BART) biodetectors are excellent microbiological diagnostic tools used to identify the presence of process disruptors. Find out if you have bacteria creating slime layers and limiting disinfection, or if iron-reducing bacteria are corroding your pipes. Tests for…

Because sulfite readily oxidizes to sulfate, it normally is not present in natural waters. It is used in paper mills for bleaching pulp and in boiler water as an oxygen scavenger. Hach products are intended for sale/shipment within the US only. International customers should contact their…

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…

Octet Comparator Method For determining aluminum in water Sufficient for 50 tests Octet Comparator has color standards representing 0, 0.1, 0.15, 0.2, 0.25, 0.3, 0.4 and 0.5 ppm. A pink to red color will form when aluminum reacts with Eriochrome Cyanine R, at pH 6.

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…

Octa-Slide Comparator Tests total iron after any ferric iron is reduced to ferrous in the sample Sufficient for 90 tests Ferrous and ferric iron may be tested separately by eliminating the reduction step. Octa-Slide has color standards representing 0.5, 1.0, 2.0, 3.0, 4.0, 6.0, 8.0…

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…

QUANTOFIX Peracetic acid 50 semi-quantitative test strips for the determination of peracetic acid. Measuring range: 0-5-10-20-30-50 mg/L

Alkalinity is caused by the presence of carbonates, bicarbonates, hydroxides, and other dissolved salts in water. Alkalinity control is important to food and beverage processors, boiler operators, and aquatic biologists. Model AL-AP single parameter alkalinity test kit has a range of 0.4-8 gpg…

Precautionary Statement(s): P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P305 + P351 + P338: IF IN EYES: Rinse…

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…

Insta-Test® PRO Phospate strip measures the Phosphate levels from 0, 100, 200, 300, 500, 1000, and 2500 ppb in 15 seconds. The PRO Phosphate strips are packaged 50 strips per bottle in a 6-pack case.

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…

Simply dip into a sample or hold under a liquid stream; for most products, in one minute or less, results are available to compare with the color chart included on the bottle's label. Hach products are intended for sale/shipment within the US only. International customers should contact…

In addition to all of the test offered in Model BT-DT (2350600) this test kit provides testing capability for iron, silica, chlorine, nitrite, and total dissolved solids (TDS). The versatility and accuracy of this test kit will prove invaluable to boiler operators and chemical sales professionals. …

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,…