pH is doing weird things - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 08-04-2014, 11:03 PM Thread Starter
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pH is doing weird things

Hey fish dudes
I got a 4 month old 10g tank that's been fully cycled and everything the fish i got in it are
8 tetras
1gourami
5 crs

My water parameters are
Ammonia: 0-0.25 ppm
Nitrate: 0-5 ppm
Nitrite: 0 ppm
pH: 8.2
So the pH is more on the high end, which is weird because my tap water pH is about 7.2. Im concerned because I'm eventually going to take out the fish and try and breed my crs. I heard they like the water more basic rather than acidic

I always trim dead plant bits and have a fat piece of driftwood in there too. I cant solve this pH mystery. Can some fish bros help me out
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post #2 of 6 (permalink) Old 08-05-2014, 12:05 AM
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Do you have any rock / stones in the tank? That would raise your PH as well.


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post #3 of 6 (permalink) Old 08-05-2014, 12:16 AM Thread Starter
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I have some sandstone rocks
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post #4 of 6 (permalink) Old 08-05-2014, 04:26 AM
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When you tested your tap water, did you leave some out overnight or longer, and test it after it was exposed to the air for 24-48 hours? Some tap water will change pH overnight.

Take samples of everything you have in the tank and put it into separate jars of water.
Test the water when you start, and every few days for a week or more. Have one jar with nothing, just water.
So you will have a jar with some substrate, a jar with a bit of rock, a jar with a bit of driftwood...
If you are adding anything to the water (minerals, pH regulating materials) do separate jars with each of these. Try to figure out the right dose (or run these tests in a larger bucket so you can get something close to the right dose).
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post #5 of 6 (permalink) Old 08-05-2014, 04:55 AM
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what kind of substrate are you using? certain kinds (ie: argonite sand) will buffer your ph up into the 8 range.


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post #6 of 6 (permalink) Old 08-05-2014, 04:58 AM
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Chili,

Sandstone is more of a slate and usually lowers the pH, not raise it. What is your substrate? Fill your test tube with tank water... cap it don't use your finger, shake, empty and retest. I bet it was contaminated result. Again, don't use your finger as a cap. Especially after you've grubbed dude

The fastest way to success is patience.

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