1. Jason Blake

    pH Meter and/or Drop Checker, pH Levels / Profile

    Hi, I have been reading many threads concerning the measurement of CO2 concentration in a tank. Unfortunately I am still a little confused about the matter. On one hand I get the impression that all one needs is a drop checker and as long as it turns Limeade green, you have enough CO2 and of...
  2. crip_tic

    Best TDS meters / testers

    Hi, for under £30 - what would be the best TDS meter to get in your experience? Cheers, Lou
  3. RolyMo

    TDS Meters Which One?

    Not that I like researching the hell of each item I buy for my tanks, but rather I want to make sure I am getting the right thing for the job and not buying cheap and end up buying twice. So with my new shrimp tank project just kicked off, a kind member suggested I get a TDS meter off ebay...