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Your cart is empty.3.0 M KCl Reference Electrode Filling / Storage Solution (60 mL, 2 oz.) for pH and ORP Electrodes. Introducing the ultimate companion for your pH and ORP electrodes - the 3.0 M KCl Reference Electrode Filling / Storage Solution! Specially designed to ensure accurate and reliable readings, this 60 mL (2 oz.) bottle of high-quality KCl solution is a must-have for any laboratory or field testing environment. This KCl solution is suitable for a wide range of applications and compatible with various pH and ORP electrodes. Whether you're working in environmental monitoring, water quality testing, chemical analysis, or any other scientific field, our solution is the perfect fit for your electrode needs.
steves
Reviewed in the United States on May 7, 2024
3.0M is a ripoff of 3M, a major chemical manufacturer. This is NOT a 3M product.
Wombat37
Reviewed in the United States on December 18, 2023
I have an Apera PH60 hand-held pH meter. I’m very pleased with its performance and operation. The manual recommends storing the sensor in a solution of 3.0M potassium chloride – so I ordered this bottle from Aconabolics. I need about 10mL to store my meter so the 60mL supplied in this bottle should last me a while. However, $12 for 13g of potassium chloride dissolved in 60mL of water seems to be a bit expensive – especially as it appears that I can buy 1000g of the salt for just $20 on Amazon.The main issue I had with this product and the reason that I’m not giving it a better rating is that the solution was able to leak out of the bottle. The bottle had a dispensing cap that was meant to be self-sealing but, evidently, it didn’t. Upon receipt, the outside neck of the bottle was encrusted with white crystals (see photo). The Amazon shipping bag also had crystal deposits on its inside walls. The bottle was not packed in anything else to seal it better but was just shipped loose in the Amazon shipping bag. I’m glad that there wasn’t anything else being shipped in this bag or that would have probably got encrusted, too. Potassium chloride is fairly harmless, but it will corrode some metals when in solution.
Frank A
Reviewed in the United States on December 16, 2023
This is a nice 2oz (60ml) bottle of 3.0M KCL solution. The pour-spout cap allows you to easily fill the pH probe cap for meter storage.I have been using 3.0 M KCL solution to keep my pH meter probes in great working order and I have to calibrate the pH probs less often because they retain calibration with much less drift. I store the meters with their pH glass bulbs submersed in KCL solution in the probe caps and keep the meters stored in the vertical position.Recommended for the pour-spout cap that makes pouring KCL solution a breeze.
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