Calibration and cleaning solutions for freshwater aquarium

MILWAUKEE - pH 4.01 Calibration Solution - 20ml

(2 reviews)

€1.20 -17.5% €0.99

pH 4.01 calibration solution for pH meter electrode. The accuracy of a measurement is strongly dependent on the calibration, among other things.

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• 58 in stock

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MILWAUKEE - pH 7.01 Calibration Solution - 20ml

(4 reviews)

€1.20 -17.5% €0.99

pH 7.01 calibration solution for pH meter electrode. The accuracy of a measurement is strongly dependent on the calibration, among other things.

• -17.5%
• -17.5%
• 47 in stock

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MILWAUKEE - pH 10.01 Calibration Solution - 20ml

(2 reviews)

€1.20 -17.5% €0.99

Calibration solution ph 10.01 for pH meter electrode. The accuracy of a measurement is strongly dependent on the calibration, among other things.

• -17.5%
• -17.5%
• 85 in stock

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MILWAUKEE - Electrode Cleaning Solution - 20ml

(1 review)

€1.20 -17.5% €0.99

Single-use pH and ORP electrode cleaning solution.

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• -17.5%
• 93 in stock

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AQUA-MEDIC - pH 4 Standard solution - 60 ml

€8.99

Solution for calibrating electrodes.

• 6 in stock

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AQUA-MEDIC - pH 7 Standard solution - 60 ml

€8.99

Solution for calibrating electrodes.

• 4 in stock

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AQUA-MEDIC - pH 9 Standard solution - 60 ml

€8.99

Solution for calibrating electrodes.

• 1 in stock

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AQUA-MEDIC - Cleaning solution - 60 ml

€7.20

Solution for calibrating electrodes.

• 4 in stock

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Hanna Instruments - Standard solution pH 7.01 - 20ml

(2 reviews)

€1.99

pH 7.01 standard solution for calibrating pH meters.

• 37 in stock

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Hanna Instruments - Standard solution pH 4.01 - 20ml

(1 review)

€1.99

pH 4.01 standard solution for calibrating pH meters.

• 230 in stock

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MILWAUKEE - TDS Calibration Solution 1382ppm

€1.20 -17.5% €0.99

Calibration solution for TDS meter at 1382ppm . The accuracy of a measurement is strongly dependent on the calibration, among other things.

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• 42 in stock

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DUPLA - pH 7 calibration solution - 100 ml

€7.99

Accurate pH 7 calibration solution for calibrating measuring devices such as pH meters.

• 1 in stock

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DUPLA - pH 4 calibration solution - 100 ml

€7.99

Precise pH 4 calibration solution for calibrating measuring devices such as pH meters.

• 1 in stock

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DUPLA - Electrode cleaning solution - 100 ml

€15.99

100ml cleaning solution for all devices with pH electrodes.

• 1 in stock

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TUNZE - pH 5 and 7 calibration solution - 7040.130

€16.99

Accurate pH 5 and 7 calibration solution for calibrating measuring devices such as pH meters.

• 1 in stock

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TUNZE - Cleaning solution - 7040.200

€10.99

pH 5 and 7 cleaning solution for measuring devices such as pH meters , mV- and conductivity meters.

• 1 in stock

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MILWAUKEE - TDS Calibration Solution 1413 μS/cm

€1.20 -17.5% €0.99

Calibration solution for TDS meter at 1.413 μS/cm . The accuracy of a measurement is strongly dependent on the calibration, among other things.

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• -17.5%
• 63 in stock

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Hanna Instruments - Standard solution pH 7.01 - 230ml

€21.99

230ml bottle of pH 7.01 buffer solution for calibrating pH meters.

• 3 in stock

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Hanna Instruments - Standard solution pH 7.01 - 500ml

€25.99

500ml bottle of pH 7.01 buffer solution for calibrating pH meters.

• 2 in stock

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Hanna Instruments - pH Electrode Storage Solution - 500ml

€21.99

500ml bottle containing a storage solution for pH electrodes.

• 3 in stock

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Hanna Instruments - Seawater alkalinity standard...

€24.00

Checker® HC – HI755-11 Seawater Alkalinity Photometer Calibration Solutions provide a simple solution to validate the Checker® HC – HI755 Seawater Alkalinity Photometer which has a range of 0 to 300ppm CaCO3. This high-quality set of standards is manufactured in our state-of-the-art facilities and comes complete with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiry date for traceability when certifying the Checker®HC photometer.

• in replenishment

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Hanna Instruments - Calcium standard solutions at 0 and...

(1 review)

€29.99

Checker® HC – HI758-11 Marine Calcium Calibration Solutions provide a simple solution to validate the Marine Calcium Checker® HC – HI758 which has a calcium range of 200-600 ppm. This high-quality set of standards is manufactured in our state-of-the-art facilities and comes complete with a Certificate of Analysis. The Certificate of Analysis indicates the batch number, reference values and expiry date for traceability when certifying the Checker®HC.

• 2 in stock

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Hanna Instruments - Trace Phosphate Standard Solutions in...

€21.90

Standard solutions for the HI774 device from Hanna Instruments . It allows you to check the correct operation of the device.

• 1 in stock

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Hanna Instruments - Nitrate Standard Solutions for...

€23.99

Seawater Nitrate Standard Solutions – HI781-11 provides a simple solution for checking the HI781 Seawater Nitrate Checker .

This high-quality set of standards is manufactured in our state-of-the-art facilities and comes complete with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiry date to ensure traceability when certifying the Checker®HC® Mini Photometer.

Pre-order, available end of November.

• 1 in stock

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Hanna Instruments - Phosphate Calibration Solution...

(1 review)

€25.99

Hanna Instruments ' HI713-11 Phosphate Calibration Solution is a set of high quality standards for users to validate the Checker®HC – HI713 Narrow Range Phosphate Monitor.

• 2 in stock

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Hanna Instruments - dKH Standard Solutions for Checker HI772

€23.99

Standard solution for dkH in seawater – HI772-11 provides a simple solution for checking HI772 dKH .

This high-quality set of standards is manufactured in our state-of-the-art facilities and comes complete with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiry date to ensure traceability when certifying the Checker®HC® Mini Photometer.

• in replenishment

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Neptune Systems - Calibration solution - 53 mS/cm

€5.99

53 mS/cm conductivity calibration solution for calibrating your probe.

• 4 in stock

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MILWAUKEE - Calibration solution 12880 µS/cm - 20ml

€1.20 -17.5% €0.99

Milwaukee 12880 µS/cm Calibration Solution is a laboratory-grade 12880 µS/cm conductivity standard solution , prepared from a NIST-traceable potassium chloride solution, that allows you to recalibrate your conductivity meter or tester. conductivity .

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• 23 in stock

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Hanna Instruments - Conductivity calibration solution at...

€1.99

Calibration solution, 1413 µS/cm from Hanna Instruments .

• 32 in stock

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Hanna Instruments - TDS Calibration Solution 1382 mg/L -...

€1.99

Hanna Instruments 1382 mg/L TDS Calibration Solution .

• 8 in stock

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MILWAUKEE - Fresh-Start - 25 Sachets - Starter Solution...

€24.99

Fresh-Start from Milwaukee is a set of pH calibration and electrode rinse solutions designed to optimize the accuracy of your measurements and prevent cross-contamination between samples or calibration solutions. (pH 4.01: 5 sachets, pH 7.01: 10 sachets, pH 10.01: 5 sachets, cleaning solution: 5 sachets)

• 7 in stock

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Hanna Instruments - Cal Check Standard Solutions - For...

€149.90

Hanna Instruments Cal Check standard solutions , for nitrates, 0.0 and 15.0 mg/L .

• 3 in stock

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MILWAUKEE - Calibration solution 800 ppm - 20ml

€1.20 -17.5% €0.99

Milwaukee 's 800 ppm Calibration Solution is a standard, laboratory-grade 800 ppm TDS solution , prepared from a NIST-traceable potassium chloride solution, that allows you to recalibrate your conductivity meter or tester. Consult your conductivity meter or tester manual to find the correct standard for your device.

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• 45 in stock

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Hanna Instruments - Standard solution pH 10.01 - 20ml

(1 review)

€1.99

pH 10.01 standard solution for calibrating pH meters.

• 26 in stock

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MILWAUKEE - Phosphate Reagent - MI512-0 - Reagent Kit

(1 review)

€9.99

Milwaukee Phosphate Reagent MI512-0 includes high quality reagents that are ready to use with the Milwaukee MW12 Low-Range Phosphate Tester . Reagents and tester use adaptation of ascorbic acid method. The reagents are designed for use with samples that have an expected range of 0.00 to 2.50 ppm (mg/L) PO4.

• 3 in stock

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MILWAUKEE - ORP Solution 200-275mV - 230ml

€18.99

MA9020 is a laboratory grade 200-275 mV ORP solution certified to meet the range.

MA9020 is used to check the health and accuracy of an ORP electrode. Milwaukee solutions are designed to help you achieve reliable and repeatable redox measurements.

• 2 in stock

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MILWAUKEE - Standard solution pH 4.01 - 230ml

€12.99

MA9004 is a laboratory grade pH 4.01 buffer solution certified to the standard with an accuracy of ±0.01 pH eliminating inaccuracies associated with mixing buffers.

Milwaukee solutions are designed to help you achieve reliable, repeatable pH measurements while extending the life of your electrode.

• 8 in stock

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MILWAUKEE - Standard solution pH 7.01 - 230ml

€12.99

MA9007 is a laboratory grade pH 7.01 buffer solution certified to the standard with an accuracy of ±0.01 pH eliminating inaccuracies associated with mixing buffers.

Milwaukee solutions are designed to help you achieve reliable, repeatable pH measurements while extending the life of your electrode.

• 5 in stock

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MILWAUKEE - Standard solution pH 10.01 - 230ml

€12.99

MA9010 is a laboratory grade pH 10.01 buffer solution certified to the standard with an accuracy of ±0.01 pH eliminating inaccuracies associated with mixing buffers.

Milwaukee solutions are designed to help you achieve reliable, repeatable pH measurements while extending the life of your electrode.

• 4 in stock

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MILWAUKEE - pH and ORP Electrode Storage Solution

€12.99

MA9015 is a laboratory grade electrode storage solution prepared with premium chemicals to improve performance and extend the life of your pH and ORP electrodes, testers and pens.

Milwaukee solutions are designed to help you achieve reliable, repeatable pH measurements while extending the life of your electrode.

• 3 in stock

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MILWAUKEE - pH and ORP Electrode Rinse Solution - 20ml

€1.20 -17.5% €0.99

The electrode rinse solution is ideal for use as an intermediate rinse between samples or calibration solutions to prevent cross-contamination. This flushing solution is also ideal for removing the buildup of basic salt deposits on the probe or cap caused by evaporation of the storage solution. Even though the accumulation of salt deposits is normal, they must be removed before measuring or calibrating. Electrode rinse solution should not replace cleaning or storage solutions.

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• 67 in stock

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MILWAUKEE - KCL pH and ORP Electrode Refill Solution - 230ml

€17.99

MA9011 is a reagent grade pH and ORP electrode filling solution that contains 3.5M KCl. This filling solution is specifically formulated for double junction electrodes. Double junction electrodes have two chambers. The inner chamber has an Ag/AgCl reference wire and a KCl + AgCl filling solution. The outer chamber contains a KCl filling solution.

• 2 in stock

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