Which Hanna Checker would you recommend?

[Frogspon]

Only allowed to pick one answer so we can get a general 1st, 2nd and 3rd in order

 

[WIReefer]

I was trying to pick two haha

 

[Randy Holmes-Farley Verified Community Expert]

I personally would only use the ULR phosphate checker. I'd use other devices or brands for the other parameters.

 

[mike550]

I personally would only use the ULR phosphate checker. I'd use other devices or brands for the other parameters.

Agree on this. The ULR phosphate checker is the one to use over the phosphate checker.