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shreck123
hye guys any one know how to calibrate a tds meter?
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what tds meter do u like the best mark ?The best way to re calibrate you tds is to buy a solution http://www.tdsmeter....onsolution.html
most tds meter can be adjusted, at the back there should be a small hole which a small screw driver fits in you turn this back and forwards until it reaches the correct ppm ie 342 ppm and thats it .