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5 In 1 Water Quality Multi-parameter PH EC CF TDS(ppm) Temp Tester Meter Aquariums Hydroponics Pool Fish Tank Pond Drinking
US$80.99 US$97.99

Q: how to calibrate without the liquid

Asked by TouTaver on 2019-11-20 08:21:20

simeonegattuso you must calibrate with calibration solution. try in amazon, they have it.

2022-06-26 05:05:00 Helpful (0)
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TouTaver 06/05/2020
shipment fast and as it descrived
Bakeey 22mm Nylon Strap Replacement Watch Band with TPU Conversion Kit & Pins for Casio G-SHOCK GA-110 DW-5600 GLS GA
US$9.91 US$17.99
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TouTaver 06/11/2019
bom produto conforme expecificaçoes e chegou em 15 dias
Pocket Hole Jig with Dowel Drill Set Drill Guide Woodworking Tool
US$9.99 US$19.99
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