US$ 30.00
monitoring water quality in aquariums
HM Digital PH-P4 pH 4
Water-resistance washable with flowing water
extensive testing
you'll maintain optimal system performance while extending the life of your filtration equipment
Milwaukee MA9061 1413 µS/cm Conductivity Solution Bluelab monitoring water quality in aquariumsDESCRIPTION The performance of conductivity probes are affected by use due to residue build up and aging. MA9061 is a lab grade 1413 S cm conductivity solution standard prepared against a NIST traceable potassium chloride solution that allows you to recalibrate your conductivity meter or tester. Check your meter or tester's manual to find the correct calibration standard for your meter. Conductivity readings are effected by temperature. To help with
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