Aquamaster EC1413 Calibration Solution - 20ml varo__4.5Kg affix it to the pump

affix it to the pump outlet as instructed in the provided guidelines

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Aquamaster EC1413 Calibration Solution - 20ml varo__4.5Kg affix it to the pumpAqua Master EC1413 Calibration Solution 20ml Compatible with all Aqua Master EC Pens. Ensure precise measurements with this essential calibration solution for Aqua Master EC Pens. This 20ml bottle of EC1413 solution helps maintain the accuracy of your conductivity meter, guaranteeing reliable readings for your water quality tests. Compatible with all Aqua Master EC Pens, this solution is a must have for hobbyists, professionals, and anyone seeking to