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Limited Quantity, Expiry 04/25.

Be aware: You can only use this product with an eXact photometer.

The eXact Strip Micro Chlorine Dioxide incorporates the patented eXact reagent delivery system created by Industrial Test Systems, Inc. which is ideal for technical and non-technical users.

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Limited Quantity, Expiry 04/25

 

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Ionode Fluoride Ion Selective Electrode

Range (ppm):     0.02 - 19,000

pH range:            5 - 7

Membrane:        8mm Crystal

Temp:                   0 - 60ºC

Interferences:   OH⁻

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Intermediate Junction pH Electrode with high temperature capability and replaceable electrolyte. With superior thermal and chemical properties for operation up to 100°C.

pH Range:      0 - 14

Membrane:   A Glass – Bullet

Body:              PVDF (Kynar) 

Temp:             0 - 100ºC

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Limited Quantity, Expiry 05/25.

Pool and Spa test strips for determining copper, total alkalinity and pH. Bottle of 50 strips. Pool Check® Copper 3in1 is the world's first test strip designed to measure Copper sanitizer levels used in alternative sanitizing systems (for both liquid and granule copper sulfate pentahydrate and ionizing systems). Combined with pH and Total Alkalinity readings, Pool Check® Copper 3in1 satisfies your testing needs where others fall short.

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Limited Quantity, Expiry 04/2025.

WaterWorks™ Nitrate / Nitrite test strips for water quality testing are the ideal solution when portable, reliable results matter. Whether testing well water or using them as a routine home testing solution, these strips are the best choice.

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GroStar Premium Pen Testers are designed specifically for the horticultural market. GroStar's intelligent design reduces the guesswork so you can easily manage your crops success.

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The New WaterWorks Chlorine Dioxide High Range water quality test strips have a very high range of detection with our patented indicator. With no bleaching of the indicator, even at high levels, the WaterWorks Chlorine Dioxide High is the ideal product when testing ClO2 sanitizing and disinfecting solutions. No external chemicals are needed to perform the water quality test.

Single dip and read test strip procedure and optimized color chart make the product ideal for technical and non-technical users alike for detection of Chlorine Dioxide in water - measures critical Chlorine Dioxide in water ranges (from 10– 2500 ppm) - NO BLEACH OUT of indicator like other tests.

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This product only works with an exact photometer.

The eXact Strip Micro Chlorine Dioxide incorporates the patented eXact reagent delivery system created by Industrial Test Systems, Inc. which is ideal for technical and non-technical users.

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Backorder: Typically ships in 2-3 days.

The Apera TN480 is a premium version of the TN400 turbidity meter.

The instrument is designed for water quality professionals, offering long-term reliability in high-accuracy turbidity measurement with an intuitive operating system, simple calibration, and GLP data management.

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Backorder: Typically ships in 2-3 days.

Apera TN500 uses tungsten filament lamp as the light source and 90° scattering method, which is compliant with U.S EPA 180.1 method for the determination of turbidity in drinking, ground, surface, and saline waters, domestic and industrial wastes. The instrument is designed for water quality professionals, offering long-term reliability in high-accuracy turbidity measurement with an intuitive operation system, simple calibration, and GLP data management.

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Designed to be a rapid, accurate alternative to conductivity meters and wet chemical tests, WaterWorks™ Salt Water Check for water quality testing offers the user an easy dip-and-read test alternative for determining concentrations of salt in water. Learn More

Colorimetric Test for Iron

0.2 – 8 mg/L Fe²⁺/Fe³⁺

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WaterWorks Bacteria Check Mini is ideal for home use and quick verifications. Simply remove the cap and fill water to the indicated line, shake, and let it sit for 48 hours at room temperature.

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Backorder: Typically ships in 2-3 days.

The Apera Instruments TN400 Portable Turbidity Meter, Large Colored TFT display with graphic and text guides, Accuracy: ±1% or 0.02 NTU, whichever is greater

• Infrared light source -- ISO7027 compliant
• Easy and quick calibration
• TFT Colored Screen (measurement mode, green in calibration) with graphic and text operation guides
• U.S. EPA certified, non-toxic, easy-to-use AMCO Clear® polymer standard solutions
• CE certified and comes with 2-Year Warranty

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Bottle of 250 Hardness (Yes/No) tablets. Learn More

The Select Scientific Water Quality Test Kit is specifically designed for testing Tank, Well and Bore water. Learn More

The Chlorine + eXact EZ tests 9 important water quality parameters and uses our patented eXact Strips, a quick and easy reagent system for analysis. Simply dip an eXact Strip into the water sample for 20 seconds using a gentle back and forth motion, discard the strip, and read the results when displayed. This photometer is NSF/ANSI 50 L1 Certified

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Quick and easy determination of ammonium

These test strips allow the quick and easy determination of ammonium in solutions. The test strips come with all necessary reagents so that the measurement can be started immediately. Within 10 seconds one gets a reliable result.

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PoolLab 1.0 has been discontinued. Click here to view the NEW PoolLab 2.0!

The PoolLab 1.0 is a triple wavelength photometer (530, 570, 620 nm) for the complete analysis of pools, spas and other water analysis applications. An in-built, changeable cuvette allows quick water sampling by just dipping the IP67 waterproof PoolLab into your sample and selecting the desired test.

To assure you of ongoing reliable performance in these challenging conditions, Select Scientific technical staff quality check each Pool Lab, and ensure the PoolLab is fit and ready to work for you. This service is exclusive to Select Scientific.

 

Click here to view all PoolLab reagents.

• Bluetooth Equipped
• Powerful App and Software
• Free Cloud Space
• 6 Buttons for direct Access
• IP68 Waterproof
• Fixed but changeable cuvette

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Advanced fluorescence based optical sensor:

• No oxygen consumption, stable display in both static water and dynamic water
• Simple to use, No need to warm-up or frequently calibrate
• Maintenance free, No electrode membranes or electrolyte, service life of fluoresence cap >8000 hours
• Oxygen cap head has lightproof coating and is not affected by light and chemicals
• Equipped with electrode calibration sheath, for easy storage and calibration

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This test strip is ideal to test high levels of peroxide in solutions. The easy dip-and-read procedure provides reliable results within 45 seconds

Hydrogen peroxide (H2O2) is a powerful oxidizer, which is found in many disinfectants as the main active ingredient. In order to facilitate handling and save shipment costs, disinfectants come often as a concentrate. At the point of interest, they are then mixed with water to obtain the necessary disinfectant potency.

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Digital Pocket Salt tester.

• Durable and waterproof to IP67 standards.
• Simultaneous temperature display
• Reading stability indicator.
• Large STN display with wide viewing angle.
• Calibration indication.
• Multi-point calibration with auto-recognition of standards.
• Battery life indicator.
• Floats in water.
• Extended working hours with 4 x AAA batteries.
• Lanyard and clip for convenience.

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pH-Fix is a high quality, colour fixed pH test strip. pH range 4.5 - 10.0. Box of 100 sticks 6x85mm. CE Authorised for pH determination of urine. Learn More

pH‑Fix strips with chemically bound indicators are the bench mark for pH testing with test strips. The fixation prevents bleeding and therefore contamination of the sample. pH‑Fix 3.6–6.1 is also suitable for automatic evaluation with QUANTOFIX Relax.

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pH-Fix is a high quality, colour fixed pH test strip. pH range 7-14 with gradations of 0.5 pH unit. Box of 100 sticks 6x85mm Learn More

Turbidity tube, measures between 10-400 NTU. Learn More

Chlorine sanitiser test papers, range 0-200ppm, bottle 200 papers Learn More

Price reduced clearance stock available, click here.

Chlorine dioxide test strips 0 - 500 ppm, with gradations at 0,10,25,50,100,250 and 500 ppm

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ECF-1 and ECF-1t are immersible cells recommended for conductivity measurements in clear and contaminated water, sewage with sediments, grease, oil, acids, alkalis. These can also be used for measurements in water paints. 

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ECF-1 is an immersible cell recommended for conductivity measurements in clear and contaminated water, sewage with sediments, grease, oil, acids and alkalis. These can also be used for measurements in water paints. 

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Hand held EC/salinity meter. Supplied with ECF-1T conductivity cell, conductivity standard and carry case. Learn More

Handheld EC/salinity meter. Supplied with ECF-1T conductivity cell with ATC and carry case. Learn More

Discontinued. Please see Primelab 2.0 for a replacement product.

One sensor, all parameters.

The “PrimeLab 1.0 Multitest” is a photometer of the latest generation. With only one light source and the JENCOLOR multi-spectral sensor used exclusively in the PrimeLab, it is possible to measure all water parameters where the water sample is visibly discoloured after addition of a reagent.

The excellent accuracy of the JENCOLOR sensor even allows self-calibration of the system at the press of a button.

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Ammonia gas sensing ion selective electrode. Supplied with three spare membranes and bottle of filling solution. Learn More

CC-511 Bench top Conductivity/Salinity Meter Learn More

Features:

• Tests: free Chlorine, total Chlorine, pH value, Cyanuric Acid and Alkalinity M
• One Time Zero
• Waterproof - IP68
• Large display - 3 x 2.2 cm
• Fast and accurate results

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Total coliform bacteria presence/absence test (P-A) confirmation. Learn More

IJ46 Intermediate Junction pH Electrode.

pH Range:      0 - 14

Membrane:   A Glass – Flat

Body:              Polypropylene 

Temp:             0 - 60ºC

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Handheld oxygen meter. Supplied with Elmetron COG1 oxygen electrode, temperature sensor and carry case Learn More