ph and nitrite levels - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 07-15-2014, 04:07 AM Thread Starter
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ph and nitrite levels

My ph dropped and I don't know why. I have lost 3 cherry shrimp. Tank is 15g with 1/2 a bps co2. I do weekly water changes but 2 weeks ago I went out of town and turned off co2 and lights. when I returned I started ei dosing, lights and co2 but did not do a water change that Saturday as I usually do. I just did a water change this Saturday but ph was still around 6 or less. I did add rift lake salt to raise ph up to 7 and things seemed good. Shrimp still seemed stressed so I checked my nitrite to find it was thru the roof. I'm confused. My nitrate is at 20 ppm and ph at 7. Didn't test my gh but kh was 8. Any thoughts or ideas would be appreciated. Thanks.

Last edited by Whjdm069; 07-15-2014 at 04:09 AM. Reason: misspelled word
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post #2 of 3 (permalink) Old 07-15-2014, 06:43 AM
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What was your pH originally and what is it now?

Are you sure your pH was less than 6? This would indicate that it is severely acidic and that something is wrong inside your aquarium.

Adding a buffer to raise the pH up to 7 (hopefully you did it slowly) probably did not help, as it likely resulted in a bouncing pH (not to mention that the TDS would have increased).

What are your nitrites at right now?

Is your aquarium cycled?

For the meantime, I would do water changes to bring your nitrites down to reasonable and tolerable levels.

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post #3 of 3 (permalink) Old 07-16-2014, 12:14 AM
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Ditto: Keep up the water changes to keep the NO2 low until the nitrifying bacteria catch up. They do not do well when the KH and pH are really low, so if the livestock are OK with it, keep the KH over 3 German degrees of hardness (higher is better) and the pH on the alkaline side of neutral (mid 7s or higher is best)

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