Okay so I know there’s Millwauke, Pin Point and Neptune PH probes that people use, but has anyone tried the cheaper options available on Amazon that are like $20-$30 each?
Do you have a link to the one you’re looking at on Amazon?
A crab I had in my sump crushed my ph probe. So this one was recommended to me by someone on R2R. It actually came yesterday and I was going to install it today. When I took it out of the box, it literally looks the exact same with just a different name on it. This is the one I got.