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pH?!?
May 5, 2009 18:00:07 GMT -5
Post by kagome on May 5, 2009 18:00:07 GMT -5
I tested my tank parameters today in the 38g after the water change. My pH has been testing at around 7.4. I tested it today and it came out as 6.4. So I rinsed out the tube and tested it again, 6.4. I did it one more time and it came out the same. I was concerned about whether or not the test was accurate so I tested the tap water. I tested it two weeks ago with the same test and it came out as 7.0, which it has every previous time I tested it. But, today it tested as 6.0!! I am very concerned that I gave my fish pH shock by putting the tap water into the tank. Is there even anything I can do?
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pH?!?
May 5, 2009 18:10:01 GMT -5
Post by eve on May 5, 2009 18:10:01 GMT -5
any possibility that the water department changed anything recently???
as for the pH shock, i think it was already on the lower side when you put water in
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pH?!?
May 5, 2009 18:17:18 GMT -5
Post by kagome on May 5, 2009 18:17:18 GMT -5
I don't have any idea about the water company.
I checked my tank blog and last Tuesday (7days ago) it tested at 7.2. That's quite a drop!
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pH?!?
May 5, 2009 18:24:00 GMT -5
Post by eve on May 5, 2009 18:24:00 GMT -5
it definitely is
did you put driftwood in it, or changed anything else on your tank???
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pH?!?
May 5, 2009 19:00:33 GMT -5
Post by bikeguy33 on May 5, 2009 19:00:33 GMT -5
many cities water supply changes from spring to fall....depending on runoff etc. could this be a possibility?
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pH?!?
May 5, 2009 20:21:34 GMT -5
Post by murdock6701 on May 5, 2009 20:21:34 GMT -5
I'd be making a call to the water dept or the dept of public works! sorry to hear of your problem and I hope it all works out soon - dumb question but is your test kit outdated? sorry, just trying to cover all bases....
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pH?!?
May 5, 2009 20:24:49 GMT -5
Post by Carl on May 5, 2009 20:24:49 GMT -5
many cities water supply changes from spring to fall....depending on runoff etc. could this be a possibility? This may have happened. Make sure you allow your tap water to gas out for as much as 2 hours prior to testing, otherwise this may not be accurate. It is possible that your tap has a lot of CO2 gas trapped in it as well. From my Aquarium pH, KH, GH article: "What I mean is you will get a sample of tap/well water then immediately test it and get a result such as 6.5 that can rise to 7.0 or higher over the next hour as CO2 gasses out, if there are carbonates (KH) in the water (even more common in well water from my experience), the pH will rise (sometimes appreciably). "Back to the pH shock, generally this should not be a problem if you change under 25% or less , as this would only result in a .2 to .3 drop based on your pH numbers and most fish can tolerate this, so do not worry to much. Using a buffer such as SeaChem Buffer with each water change can help with this issue as well. Carl |
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