Hanna phos checker

[lakeviewink]

I recently started using a green Hanna checker. Tonight I was surprised by the reading because it was higher than two days ago when I changed my GFO. It was .21 so I rechecked. The next reading was.10, so I rechecked again. I rechecked seven times and had readings from .21-.05 and everywhere between. The only one I got twice was .07 so my only best guess is that is my level. Has anyone had this happen? Any advice? New battery maybe???

[myzislow]

from what I have read they are incredibly inconsistent and one unit can be way off from another..Their larger unit is supposed to be a lot better.

[lakeviewink]

Yup, that means I wasted money on it. I'm not really happy to hear that. Thanks anyway

[strange33w]

I guess I have been luckey mine has always been pretty consistant

[Bluejawtrigger]

Make sure you ate wiping all finger prints off the vial when calibrating and testing. It can make your readings change. Just as an FYI.

[MattL22]

Waste of $ IMO !!