For the pH get a Pinpoint Marine Monitor, and the Nine Volt Battery Eliminator or more Preferably a Pinpoint Marine Controller if you want to Auto Dose Kalk, or use a Kalk Reactor** in the Future.
** I found you can’t go much below 120 Gallons total capacity to use a Kalk Reactor, at least not with my Koralline. With that Monitor, you can just use a API pH Test, if you have a funny reading off of the Pinpoint.
** I found you can’t go much below 120 Gallons total capacity to use a Kalk Reactor, at least not with my Koralline. With that Monitor, you can just use a API pH Test, if you have a funny reading off of the Pinpoint.