1. Aaron Davis

    WTT Hannah Calcium for Hannah Nitrate

    I have a spare Hannah Calcium tester I’m looking to trade for a Hannah Nitrate tester. If you have one to trade or sell; hit me up. Thanks.
  2. WallyB

    ★ DIY [Auto] ★ [ ALKALINITY MONITOR ] ★ 3 Tank [HANNA with Raspberry PI / Ardiuno ] with ADVANCED Features

    IT's finally over. 6 months of hard work is coming to the End Game. (Working Alk Monitor) A crazy idea I came up with, actually works. All started because I couldn't get a Apex Trident (none available), nor or was I will to shell out the money (and throw out two perfectly working two Apex...
  3. nickkohrn

    Trident Owners - Do You Still Test Manually?

    Question: If you own a Trident, do you still perform manual tests with the test kits that you used prior to acquiring a Trident, such as Salifert, Hanna, Red Sea, et al. Why do you, or do you not, perform manual tests? I tried searching for threads that involve discussions about whether Trident...
  4. Luke iskra

    salinity scanning device advice needed

    hey guys, so im planning of setting up a QT tank and trying the Hypo salinity method of killing ich supposedly its the easiest yet the safest way without using copper.... well i have a refactometer that i purchased from petco a year ago and ive been using it to measure my salinity in my current...