Acidic PH - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 11 Old 05-04-2007, 09:08 PM Thread Starter
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Acidic PH

my tank is 4 weeks old, has been PH 7 - 8 since it began. I added C02, now my PH is closer to 5.

Will my fish be OK? what should I do?
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post #2 of 11 Old 05-04-2007, 09:13 PM
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What are your KH and GH? High KH will make it almost difficult for the pH to decrease further. Baking soda is used in this case to increase the KH. 5 can be too acidic for most fish.

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post #3 of 11 Old 05-04-2007, 09:14 PM
That's really low. What kind of fish do you keep? Why did you add CO2? What are your other readings and when was your last water change? Tank size? Planted?
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post #4 of 11 Old 05-04-2007, 09:16 PM Thread Starter
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KH GH?????

I've got four tetras, 2 neon tetras

Its 2ft tank by 1ft by 1.2ft

I added C02 to help the plants photosynthesize

I've heard of a product called PH down but I want it the other way/?
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post #5 of 11 Old 05-04-2007, 09:23 PM
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KH-Carbonate Hardness
GH-General Hardness

More details are posted in a thread 'What are KH and GH?' in Freshwater Informations sticky thread.:)

pH adjusting chemicals should be avoided. They'll do more harm than help. Once the effects wore off, the pH swings back and if the difference is quite big, the fish will become stressed and eventually killed.

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post #6 of 11 Old 05-04-2007, 09:29 PM Thread Starter
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Is the C02 the cause of the PH drop?

Are my fish doomed?
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post #7 of 11 Old 05-04-2007, 09:35 PM
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dont worry go to a pet store and get PH INCREASE The Sell It At Petco & Petsmart and prolly everyother petstore that carrys fish
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post #8 of 11 Old 05-04-2007, 09:36 PM
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Quote:
Originally Posted by FishN00b
Is the C02 the cause of the PH drop?

Are my fish doomed?
Tannic acids produced by peat and driftwoods, and CO2 both can lower the pH. Depending on your hardness levels, the pH will continue to drop if the KH is not high. KH must be maintained above 4.5 dKH. Anything lower will cause dramatic pH swings which will harm your fish.

Your fish are doomed if pH swings do happen or pH lowering further. 5 is really too acidic for most fish and should be stopped from decreasing further.

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post #9 of 11 Old 05-04-2007, 09:37 PM
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also be sure to read the directions carfully
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post #10 of 11 Old 05-04-2007, 09:39 PM
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Quote:
Originally Posted by xxthrwitdwnxx
dont worry go to a pet store and get PH INCREASE The Sell It At Petco & Petsmart and prolly everyother petstore that carrys fish
I had explained in my previous posts that such chemicals are not going to help him. Determine the hardness levels instead of fiddling around with the pH.

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