PH question

nine28girl

nine28girl

Member
What causes PH to be high?
My parameters are as follows:
Nitrates (0) ppm
Nitrites (0) ppm
Ammonia (0)ppm
PH looks between 8.4 and 8.8
Could it be a bad tester kit?
I did a water change of 25% last Wednesday night.
Thanks in advance for any advice.
Samantha
 
jobob

jobob

Member
its a little high 8.2 is around the right ph, i really dont know what causes it to be high. maybe to much buffer. or alk is too high. are u useing any additives??
 
uberlink

uberlink

Active Member
I don't think overbuffering would do it. That retards the drop in ph, but usually only raises ph to a point. I'd be surprised if it would take it that high.
I suspect a faulty test. 8.8 is the high range on many tests, and it wouldn't be shocking if your test is goofed up and reading essentially off the chart.
 
nine28girl

nine28girl

Member
Originally Posted by jobob
its a little high 8.2 is around the right ph, i really dont know what causes it to be high. maybe to much buffer. or alk is too high. are u useing any additives??

Yes, I am occasionally using purple up. Are those electronic PH testers any better?
Thanks,
Sam
 
jobob

jobob

Member
yea electronic PH testers are really good if they are calabrated(sp) right. i really dont think purple up would rasise ur ph that much. u coud get a cheap electronic tester on

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