Premixed water from big als warning**

[mrhasan]

Originally Posted by The Grizz

If you can afford a new one I would go that route so you can be assured it is correct & get some calibration fluid as well. Talk to the crew at Concepts, Im sure they can fix you up.

+1. Plus the big day is coming and concept will be throwing crazy deals. I am pretty sure that reading is at least 0.06 off. And don't be too lazy, mix your own saltwater