Prepare your own DIY low cost EC calibration solutions using table salt
Автор: Science in Hydroponics
Загружено: 2021-04-28
Просмотров: 19363
Описание:
In this video, I show you how to prepare your own EC calibration solutions. These solutions are 1mS/cm and 2mS/cm and are prepared using sodium chloride (table salt). Make sure you use regular table salt (do not use sea salt, Himalayan salt, or other types of table salt). Regular, iodized salt works fine.
For 1mS/cm add 495mg/L of NaCl, 123.75mg for 250mL
For 2mS/cm add 990mg/L of NaCl, 247.50mg for 250mL
(Please notice that the Amazon links below are affiliate referral links. This means that if you click on them I may receive a commission from purchases. There is no additional cost to you, but it helps me to keep posting content for free.)
Class A Volumetric Flask (250mL)
https://amzn.to/3jME8WI
Beaker set
https://amzn.to/3lwdGkw
Scale +/- 0.001g
https://amzn.to/3naDHI0
Apera EC meter
https://amzn.to/3dE7K7Y
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