Water Quality Help! - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 11-26-2015, 12:06 AM Thread Starter
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Exclamation Water Quality Help!

Friends

I have a Fluval Edge and recently I did some tests on the water and discovered my PH is hovering in the low 6 range. It's based on the test strip so I am sure its not too accurate but this number seems very low.

I dose macro's and micro's yet most my plants seem to die. Nitrates and Nitrites barely register on the test strip.

I have a few ferns and rotalas that are struggling. I have CPD's and some ember tetras that always hide and my cherry shrimp population have all died slowly over the past 2 weeks. I do 20% water changes and cant seem to figure out what the issue is.

Any help?


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post #2 of 3 (permalink) Old 11-26-2015, 01:44 AM
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I will presume the tank is the 20L in your signature.
Could we see a picture of the whole tank ?
Can you copy the fert list you are using and place it in here?
https://www.plantedtank.net/forums/14...-par-data.html
While 75 PAR is not super high, it is getting into the hard to manage aria if the rest
of the three things aren't real close to a good balance.
The next thing to look at is that fert list. The water changes for EI are REQUIRED.
If you are not using the three full doses of EI micro/macro then you may be able
to use less water changes.

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post #3 of 3 (permalink) Old 11-27-2015, 11:41 PM
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I would suggest buying a bottled ammonia test. The fish waste could be accumulating as ammonia, and if your biological system is out of whack, it wouldn't be converted into nitrites and nitrates, which would account for the low numbers. A 20% water change wouldn't remove much of the ammonia. Also, shrimp are very sensitive to nitrites and ammonia.
As for the pH problem, I'm not sure what is causing it, but if you add some API pH buffer, it should bring it up to 7 - 7.5.


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