Originally Posted by
Shebeko
The probes, my probes ha e never worked correctly.
Currently the salinty probe is measuring something not even close.
The Ph probe is not to be believed although it comes close esp after recalibration, but if I calibrate it and a Hanna Ph checker rinse both off in Ro water , put them back into 10.01 solution, they read close to 10.00 a little over, a little under.
Put them into tank water they are not even close to each other. Well within 1.0.
If I take a cupfull of tank water and use that, so there is no stray voltage, I get something else.
If I put a grounding probe into the tank I get domething else.
But in a day or two if I put the probe into 10.01 solution it reads something else again. The Hanna reads close to 10.01.
The probe is hardly 2.5bmonths old.
Any thoughts ?
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