ph probes, test kits, oh my!!!!

[gregzz4]

I agree with the other replies
Have you checked the apex and seneye in new 7 and 10 fluids, after calibration?
Also, stray current and electrical fields can skew pH probe readings. Try putting some tank water in a glass and test that with the probes, but 1 at a time.

[Myka]

Originally Posted by gregzz4

I agree with the other replies
Have you checked the apex and seneye in new 7 and 10 fluids, after calibration?
Also, stray current and electrical fields can skew pH probe readings. Try putting some tank water in a glass and test that with the probes, but 1 at a time.

Good advice.