Neptune Trident Marine Aquarium Water Analyzer, One Month Supply of Reagents(ABC), 6' Aquabus Cable, 36W Universal Power Supply

The Trident is a self contained automatic titration colorimeter. That’s quite a mouthful, for sure, so let’s state it as simply as we can. The Trident is basically automating what you (and top scientists) do already when you test your water, that is, perform a color changing titration and interpret the results.