It's calibration day! The rules are simple. Go calibrate your equipment and then test! Tell us what you calibrated and how far off it was.
My PH was spot on.
My refractometer (Milwaukee) was off by 2! It showed 1.024 when it was really 1.026.
My Trident is spot on for calc, mag, and alk.
Temp. probe spot on.
Calc today at 393
Alk today at 8.0
Mag at 1441
Phosphates at .04 (almost .05)
Nitrates at 8
Salinity at 1.026
Ph at 1:00 PM 8.1
Temperature at 79.1
My PH was spot on.
My refractometer (Milwaukee) was off by 2! It showed 1.024 when it was really 1.026.
My Trident is spot on for calc, mag, and alk.
Temp. probe spot on.
Calc today at 393
Alk today at 8.0
Mag at 1441
Phosphates at .04 (almost .05)
Nitrates at 8
Salinity at 1.026
Ph at 1:00 PM 8.1
Temperature at 79.1