Originally Posted by
mystersync
Before, when i set up my apex. i did manual recalibration and the salinity came out way off at 38. but in reality using my refractometer, it was 35.
but i didnt bother to recalibrate it again until now.
I just recalibrated both salinity and PH. the salinity now is down to 32 which is off again. and the PH seems kinda off also at 7.5
i placed the calibration fluids in the sump for 30 minutes. enabled temp compensation 2.2. i calibrated in sump with the packet floating in the sump.
what did i do wrong?
so what i did was.
1. took the salinity probe. rinsed it in rodi. and then i followed the procedure on the apex.
I also did the same thing with the PH.
also another question. when i dipped the 7.00 solution. do i straight dip it in the 10.01 solution? or should i rinse it first with rodi.
also. i see a little brown algae on the sensor part of the probe. do i clean it? or it doesnt matter
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