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pocilipora 09-28-2002 01:20 PM
pH of new water
 
If you have a few people over you will notice a drop in PH just by people breathing the same air as your tank or makeup water is exposed to. Try opening a window to get some fresh air in the room your doing your tests in. Just a thought.

Troy F 09-28-2002 01:59 PM
pH of new water
 
Quote:
I have not very big knowlege to backup this Troy but if the TDS of water is 0 ppm we should have all the same PH at the end with any kind of Tap water
<font size="2" face="Verdana, Helvetica, sans-serif">That's completely true Stephane, I overlooked that :confused: . I think the variable lies in the 0ppm of the purified water and the test results.

stephane 09-28-2002 03:19 PM
pH of new water
 
Quote:
Originally posted by pocilipora:
If you have a few people over you will notice a drop in PH just by people breathing the same air as your tank or makeup water is exposed to. Try opening a window to get some fresh air in the room your doing your tests in. Just a thought.
<font size="2" face="Verdana, Helvetica, sans-serif">I have heard of this before but was not aware that it could made that difference on the PH very interesting I should do some more testing with the open window

Aquattro 09-29-2002 04:39 AM
pH of new water
 
Yes, people in the same room can affect pH by up to 0.3 points. I have done all my testing though with all windows and doors open.


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