Liquid Reagents

Cleanflow offers trusted liquid reagents from leading brands like Hach and Vario, designed for accurate and efficient water quality testing in lab and field environments. These high-quality chemical solutions support various analytical applications, including testing for ammonia, hardness, and cyanide levels. Whether you're working in municipal water treatment, environmental monitoring, or industrial water systems, our reagents deliver reliable results you can count on.

Brand History

Hach has been a global leader in water analysis solutions since 1947. With a strong focus on innovation, Hach developed many standard testing methods and equipment used in laboratories and treatment plants today. Their reagents are known for their precision, consistency, and compatibility with various testing instruments.

Vario is known for its specialized reagent systems tailored for modern digital testing equipment. Vario’s chemical solutions are developed with efficiency and environmental responsibility in mind, offering high-quality performance while minimizing waste and complexity in water testing procedures.

Why Choose Hach and Vario Liquid Reagents?

Reliable Accuracy: Hach and Vario reagents are manufactured to strict quality standards, ensuring consistent and repeatable results.
Wide Application Use: Designed for various water testing scenarios — from drinking water analysis to industrial and wastewater testing.
Compatibility: These reagents are developed to work seamlessly with industry-standard testing kits and equipment.
Easy-to-Use Formats: Pre-measured liquid formulations reduce preparation time and user error, making them ideal for lab and field use.
Trusted Brands: Professionals worldwide rely on Hach and Vario for high-performance chemical testing products.

Best-Selling Liquid Reagents

Hach

Hach offers a range of products for water quality analysis, primarily focused on chlorine testing, hardness, alkalinity, and turbidity. These products cater to basic and advanced water testing needs, with solutions ranging from simple test kits to more sophisticated instruments like pocket colorimeters and turbidimeters. Hach's offerings ensure reliable and accurate results for various water quality parameters.

Hach 2877436 Free Ammonia Chlorinating Solution, 4 mL SCDB

Hach 2877436 Free Ammonia Chlorinating Solution (4 mL SCDB) is a reagent designed for water quality testing, specifically for measuring free ammonia levels in water samples. It is part of Hach's analytical solutions for accurate environmental and industrial water testing.

Hach 42649 Hardness 3 Titrant Solution, 500 ml

Hach 42649 Hardness 3 Titrant Solution is a 500 mL EDTA-based reagent (0.03 N / 0.015 M concentration) designed for precise water hardness testing (calcium/magnesium ions) via drop-count titration.

Vario

Vario focuses on water quality testing reagents and accessories, designed for use with Lovibond® and compatible instruments from HACH® and other manufacturers. The product line includes DPD chlorine powder pillows (free/total chlorine), specialty reagents for iron, manganese, ammonia, and other parameters, and testing accessories like dispensers and refill vials. These products prioritize cost-effective industrial, municipal, or laboratory water analysis accuracy.

Vario 531800 Free Ammonia Chlorinating Solution, 5 mL SCDB

Vario 531800 Free Ammonia Chlorinating Solution is a 5 mL reagent designed to detect free ammonia in water using the indophenol method precisely. Packaged in a self-contained dropper bottle (SCDB) for controlled dosing, it’s part of the Vario 535800 reagent set and is ideal for lab, field, or water treatment monitoring. Key features include lab-grade accuracy, minimal waste, and compatibility with complex water samples.

Vario Alkaline Cyanide Reagent

Vario Alkaline Cyanide Reagent is a specialized chemical solution for low-range manganese testing (0.006–0.700 mg/L Mn) using the PAN method, ensuring precision in environmental and lab water quality analysis. Key features include high sensitivity (detects as low as 0.006 mg/L), broad testing range, and reliability for compliance monitoring in public water systems or industrial settings.

10 Common Uses of Liquid Reagents

Liquid reagents are substances in liquid form used primarily to cause or detect chemical reactions in various applications.

Initiating Chemical Reactions
Liquid reagents are added to systems to start or accelerate chemical reactions, making them fundamental in laboratory experiments and industrial processes.
Testing for the Presence of Substances
They are widely used in analytical chemistry to detect specific ions, molecules, or compounds, often indicated by a color change or precipitate formation.
Titration and Endpoint Detection
Many liquid reagents act as indicators in titrations, changing color to signal the completion of a chemical reaction, such as phenolphthalein in acid-base titrations.
Water and Environmental Testing
Due to their quick dissolution and reaction, liquid reagents are essential for rapidly detecting contaminants in water samples, including chlorine, ammonia, and heavy metals.
Oxidation and Reduction Reactions
Specialized reagents like potassium permanganate (oxidizing) or sodium borohydride (reducing) add or remove electrons in organic and inorganic synthesis.
Precipitation and Separation
Some reagents cause dissolved substances to form insoluble solids, aiding in the separation and identification of ions, such as silver nitrate for chloride detection.
Complex Formation
Liquid reagents like EDTA bind metal ions, forming stable complexes for quantitative analysis or removing metals from solutions.
Medical Diagnostics
They are crucial in clinical tests, such as pregnancy tests, blood glucose assays, and drug detection kits, where they help identify biological markers by triggering visible reactions.
Staining and Visualization
In biology and pathology, liquid reagents such as stains and dyes highlight structures in tissues or cells, improving visibility under a microscope.
Quality Control and Calibration
Liquid reagents are used to calibrate instruments and validate measurement methods in laboratories, ensuring the accuracy and reliability of results.

Liquid Reagents FAQs

1. What are liquid reagents used for?
Liquid reagents are used in water testing to chemically react with specific contaminants or elements such as ammonia, hardness minerals, or cyanide, allowing for accurate measurement of water quality parameters.

2. Are these reagents suitable for field use?
Yes. Many of the reagents we carry, including those from Hach and Vario, are designed for laboratory and field applications, with pre-measured, portable packaging for convenience.

3. Do these products require specific test kits?
Yes. Hach reagents are typically designed to be used with Hach testing instruments or kits. Vario reagents work with compatible digital test systems like the Vario 535800.

4. What’s the shelf life of these reagents?
Shelf life varies by product but is typically listed on the label or product documentation. To ensure accurate results, store reagents in a cool, dry place and use them before the expiration date.

5. Can I use different brands of reagents with my test kit?
It’s best to use reagents from the same brand as your testing system to ensure compatibility and accuracy. Mixing brands may lead to unreliable results or equipment damage.

Explore our full selection of liquid reagents today to support your water testing needs with trusted accuracy and ease.

Liquid Reagents

Liquid Reagents

Why Choose Hach and Vario Liquid Reagents?

Best-Selling Liquid Reagents

Hach

Hach 2877436 Free Ammonia Chlorinating Solution, 4 mL SCDB

Hach 42649 Hardness 3 Titrant Solution, 500 ml

Vario

Vario 531800 Free Ammonia Chlorinating Solution, 5 mL SCDB

Vario Alkaline Cyanide Reagent

10 Common Uses of Liquid Reagents

Liquid Reagents FAQs

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