automated testing

Hey everyone, I’m looking for recommendations on an automatic water chemistry testing system for my reef tank. I previously ran a Neptune Trident, but unfortunately I wasn’t very happy with the overall experience. It worked for a while, but eventually I started having reliability issues and...

Near new Trident NP. Works well for me. Comes with original box. No reagents. Ships for 25 dollars. Nutrients have been very stable on my aquarium, so I will part with this trident, and let someone else use it.

Selling my Apex Trident. I bought from someone here, used it about a month or so. I stopped using it and did the proper shut down. Packed it back up in its original box. It will include the ABC reagents that are in pic and an original ALk reagent from Neptune. it is missing the little rubber...