Still goes up. Not as much but still going up.
When I re-calibrated the probe it went to 8.13. Down from 8.37. All yesterday it was at 8.19. This morning when the lights came on it was 8.22.
I have my RO/DI unit set to run for 30 mins per day to top off the water.
Nitrates and Ammonia are 0.
PH test verified probe reading.
Sump gets lots of bubbles from overflow.
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