Ph Pen

[jeffopentax]

Anybody use ph pens? Can't justify $100 for ph monitor, and hate chemical test kits. Prices seem to vary wildly, but not sure why. Recommendations?

 

[Poseidon]

I have one, very handy
I got it in a trade

 

[jeffopentax]

I have one, very handy
I got it in a trade

What brand/model?


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[scubasteve]

dude i got the milwaulee ph600 and works like a charm long as you store it with the cap filled will be needing a new one soon but was well worth it