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06-09-2007, 03:37 PM
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 low ph my ph is really low, at 7.9. I have been trying for 3 days to bring it up with buffers. My alk and ca are really high so I don't know what the probles is. Can anyone help?  |
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06-09-2007, 03:53 PM
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| Re: low ph What buffer are you using and what are your numbers for alk and ca?
__________________ If it wasn't for disappointments, I would have any appointments. |
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06-09-2007, 03:55 PM
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| Re: low ph AND...how often are you buffering?
__________________ If it wasn't for disappointments, I would have any appointments. |
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06-09-2007, 03:55 PM
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| Re: low ph How high is your Ca and dkh? SG? Can you test for magneseum? What temp does your tank normally run. Dont panic about the Ph just yet. 7.9 is not that low but you will want to bring it up. Here is a good read for PH. Chemistry and the Aquarium |
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06-09-2007, 03:56 PM
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| Re: low ph I was just going to suggest that article, thanks Jim!
__________________ If it wasn't for disappointments, I would have any appointments. |
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06-09-2007, 06:56 PM
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| Re: low ph My Ca and alk are really really high, at least that is what 2 different tests tell me. My temp runs at 78 degrees and I am using marine buffer liquid by seachem. |
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06-09-2007, 07:29 PM
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| Re: low ph Aaah, leaving me too much to assume. I hope you were able to get something out of the article. Any alkalinity over 12 would cause me to stop buffering during water changes. Buffering with products meants to raise your alkalinity will do squat for your pH, no matter what the bottle says. I would suggest just doing water changes, maybe bi-weekly, do not buffer again until your numbers are in the acceptable ranges and then address pH if it is still a problem.
__________________ If it wasn't for disappointments, I would have any appointments. |
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06-09-2007, 08:13 PM
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| Re: low ph my alk is really high!! I will stop buffering and start doing water changes then. I have a 55 gallon tank, how mush should I take out? The article was really helpful but I am still not sure what whe problem is. I opened the door for a wahile (I live in Las Vegas so I did not leave it open for too long). |
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06-09-2007, 09:17 PM
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| Re: low ph Crossan, What type of substrate are you using? Also, are you dosing Kalwasser at night after lights out? If your DKH and calcium are high but your PH is not then you can most often trace the problem back to there being too much CO2 in the aquarium. Remember PH is a measure of the hydrogen ion. How much bioload is in your tank? Do you have a refugium which is full of caulerpa? Remember when the tank lights go out ALL photosynthesis stops in the tank. This causes the dissolved oxygen content to drop as the corals, algae, etc "respire" and release the CO2 which combines to form carbonic acid (H2CO3) and this lowers PH. Make sure you have some real good surface aggitation for the next few days to facilitate gas exchange and I bet your PH will climb to 8.1 or better. Peace brother Think of it this way - Lights on = everything breathes in - lights off = everything breathes out.
__________________ "It was the Law of the Sea, they said. Civilization ends at the waterline. Beyond that, we all enter the food chain, and not always right at the top." Hunter S. Thompson |
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06-09-2007, 10:27 PM
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| Re: low ph okay I will do what you say and test it tomorrow. I only have 2 fish in the 55 gallon tank, but there is barely any flow at the top, I had it all focused in the middle. I will change it. Thanks for the help!!! |
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06-09-2007, 10:28 PM
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| Re: low ph by the way, the substrate is sand |
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