Calibration and cleaning solutions for saltwater aquarium

AQUA-MEDIC - pH 4 Standard solution - 60 ml

7 reviews

€8.99

Solution for calibrating electrodes.

• 4 in stock

I buy available

AQUA-MEDIC - pH 7 Standard solution - 60 ml

13 reviews

€8.99

Solution for calibrating electrodes.

• 7 in stock

I buy available

AQUA-MEDIC - pH 9 Standard solution - 60 ml

6 reviews

€8.99

Solution for calibrating electrodes.

• 3 in stock

I buy available

AQUA-MEDIC - KCL solution for pH + mV electrodes - 60 ml

€7.20

Solution for calibrating electrodes.

• 5 in stock

I buy available

AQUA-MEDIC - 230 mV Standard solution - 60 ml

5 reviews

€7.20

Solution for calibrating electrodes.

• 4 in stock

I buy available

AQUA-MEDIC - Cleaning solution - 60 ml

5 reviews

€7.20

Solution for calibrating electrodes.

• 4 in stock

I buy available

AQUA-MEDIC - 250 μS Standard solution - 60 ml

€7.20

Solution for calibrating electrodes.

• 1 in stock

I buy available

AQUA-MEDIC - 50 mS Standard solution - 60 ml

4 reviews

€7.20

Solution for calibrating electrodes.

• 2 in stock

I buy available

Hanna Instruments - Standard solution pH 4.01 - 20ml

19 reviews

€1.99

pH 4.01 standard solution for calibrating pH meters.

• 369 in stock

I buy available

Hanna Instruments - Standard solution pH 7.01 - 20ml

25 reviews

€1.99

pH 7.01 standard solution for calibrating pH meters.

• 30 in stock

I buy available

MILWAUKEE - pH 4.01 Calibration Solution - 20ml

€1.20 -17.5%

30 reviews

€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.

• -17.5%
• -17.5%
• 43 in stock

I buy available

MILWAUKEE - pH 7.01 Calibration Solution - 20ml

€1.20 -17.5%

39 reviews

€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%
• 16 in stock

I buy available

MILWAUKEE - pH 10.01 Calibration Solution - 20ml

€1.20 -17.5%

21 reviews

€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%
• 66 in stock

I buy available

AQUA-MEDIC - 35 ppm calibration solution for...

11 reviews

€7.85

Refractometer with temperature compensation for determining the amount of salt

• 3 in stock

I buy available

MILWAUKEE - Electrode Cleaning Solution - 20ml

€1.20 -17.5%

11 reviews

€0.99

Single-use pH and ORP electrode cleaning solution.

• -17.5%
• -17.5%
• 1 in stock

I buy available

MILWAUKEE - TDS Calibration Solution 1382ppm

€1.20 -17.5%

10 reviews

€0.99

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

• -17.5%
• -17.5%
• 73 in stock

I buy available

DUPLA - pH 7 calibration solution - 100 ml

4 reviews

€7.99

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

• 1 in stock

I buy available

DUPLA - pH 4 calibration solution - 100 ml

4 reviews

€7.99

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

• 1 in stock

I buy available

DUPLA - Electrode cleaning solution - 100 ml

4 reviews

€15.99

100ml cleaning solution for all devices with pH electrodes.

• in replenishment

I buy unavailable

TUNZE - pH 5 and 7 calibration solution - 7040.130

3 reviews

€15.99

Accurate pH 5 and 7 calibration solution for calibrating pH meter type measuring devices.

• 3 in stock

I buy available

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

I buy available

FAUNA MARIN - Salinity Manager Cleaning Solution - 100ml...

€4.99

Cleaning solution for Salinity Manager from Fauna Marin or any other electronic hydrometer.

• 1 in stock

I buy available

FAUNA MARIN - Salinity Reference - 100ml - Standard...

1 review

€4.99

Calibration solution at 35ppm for Salinity Manager from Fauna Marin or any other electronic hydrometer.

• 1 in stock

I buy available

MILWAUKEE - TDS Calibration Solution 1413 μS/cm

€1.20 -17.5%

8 reviews

€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.

• -17.5%
• -17.5%
• 47 in stock

I buy available

Hanna Instruments - Standard solution pH 7.01 - 230ml

€21.99

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

• 2 in stock

I buy available

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

I buy available

Hanna Instruments - pH Electrode Storage Solution - 500ml

€21.99

500ml bottle containing a storage solution for pH electrodes.

• 3 in stock

I buy available

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.

• 1 in stock

I buy available

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.

• 1 in stock

I buy available

JBL - Electrode storage solution - 50ml

3 reviews

€3.99

JBL's 50ml electrode storage solution is a liquid for cleaning and storing electrodes.

• in replenishment

I buy unavailable

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

I buy available

Hanna Instruments - Phosphate Calibration Solution...

2 reviews

€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.

• in replenishment

I buy unavailable

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

I buy unavailable

Neptune Systems - Calibration solution - 53 mS/cm

€5.99

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

• 2 in stock

I buy available

MILWAUKEE - Calibration solution 12880 µS/cm - 20ml

€1.20 -17.5%

5 reviews

€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 .

• -17.5%
• -17.5%
• 44 in stock

I buy available

Hanna Instruments - Conductivity calibration solution at...

2 reviews

€1.99

Calibration solution, 1413 µS/cm from Hanna Instruments .

• 27 in stock

I buy available

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

3 reviews

€1.99

Hanna Instruments 1382 mg/L TDS Calibration Solution .

• 37 in stock

I buy available

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

3 reviews

€19.99

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)

• 1 in stock

I buy available

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

I buy available

MILWAUKEE - Calibration solution 800 ppm - 20ml

€1.20 -17.5%

2 reviews

€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.

• -17.5%
• -17.5%
• 55 in stock

I buy available

Hanna Instruments - Standard solution pH 10.01 - 20ml

4 reviews

€1.99

pH 10.01 standard solution for calibrating pH meters.

• 31 in stock

I buy available

MILWAUKEE - Phosphate Reagent - MI512-0 - Reagent Kit

€9.99 -10%

1 review

€8.99

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.

• -10%
• -10%
• in replenishment

I buy unavailable

MILWAUKEE - ORP Solution 200-275mV - 230ml

€15.99

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.

• 3 in stock

I buy available

MILWAUKEE - Standard solution pH 4.01 - 230ml

1 review

€11.99

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.

• 2 in stock

I buy available

MILWAUKEE - Standard solution pH 7.01 - 230ml

1 review

€11.99

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.

• 1 in stock

I buy available

MILWAUKEE - Standard solution pH 10.01 - 230ml

€11.99

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.

• 2 in stock

I buy available

MILWAUKEE - pH and ORP Electrode Storage Solution

€11.99

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.

• in replenishment

I buy unavailable

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.

• -17.5%
• -17.5%
• 20 in stock

I buy available

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

I buy available