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Hello!
In this video, I will show you how to calibrate an electronic PH meter with aliexpress from Chinese friends. I tried my best to explain everything :)
Enjoy watching!
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Link to the tester on Ali: "alii.pub/5yn4i8"
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Check out our other playlists:
a lot of things about our frame pool - " • Про наш бассейн "
a lot of things about flyers - " • Летучки "
about our country nishtyaks - " • Дачные ништяки "
about video surveillance for giving - " • Видеонаблюдение для дачи "
about various interesting things - " • Разное интересное :) "