Quote:
Originally Posted by rishma
I am baffled.
I have a pH probe with my Apex. The probe is a Neptune lab grade, 3 months old.
I added live sand ( aragalive?) a couple weeks ago and noticed my pH was 0.2 lower on average in the following days. After a week I recalibrated the probe and found the pH back to normal, the probe had been out of calibration. That was 2 days ago.
Last night and moved some sand around. This created a little dust but did not badly cloud the water. The speed thing is my pH probe immediately flat lined and has not moved much in 11 hours, not filling my normal day/night trends.
Why would the dust from the sand mess up the probe calibration?
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Just did some cleaning and remembered this thread, mine did the same, its from the cloudiness reducing photosynthesis, wathedit in apex , after it cleared it was back to rising, but never maid it to where it was the day before, next day it was normal again.
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