Quote Originally Posted by Dexter007
sry cant help you,BUT il be keep checking that thread cos iv same problem..cant find good ones.
Yea, I've been through 2 testers and can't seem to find one to hold up longer than 2-months. I'm thinking I may have to break down and buy a nice $150 digital PH & PPM tester but I hope not. Hopefully someone here can help out:thumbsup: