Water Is Too Acidic...HELP! - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 9 Old 01-19-2019, 05:39 AM Thread Starter
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Water Is Too Acidic...HELP!

G'day guys, I'm new to this forum & could use some advice regarding my tank water being too acidic.

I have a small 5 gallon (24litre) planted tank that housed a single betta until it recently sadly died.

I saved half the water & didn't disturb the beneficial bacteria in the sponges & bio balls & even put aside 2 cups of "dirty gravel".

I then stripped the tank down, cleaned the rest of the gravel & scrubbed clean the algae off the glass & driftwood before setting up the tank again.

The "new" tank has now been running for over a week & the plants appear to have suffered little to no stress at all...

My problem is the water is too acidic reading at 6.0.
No matter how much or how often I add pH UP, the acidic level won't budge from 6.0.
I've used nearly 75ml (of a 150ml bottle) of liquid pH UP & I still can't get the water anywhere close to neutral.

Any advice would be appreciated.
Thanks in advance.
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post #2 of 9 Old 01-19-2019, 08:49 AM
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Is there enough O2 turnover? Oxygen raises the alkalinity, CO2 drops it. Driftwood could also be doing it, especially if it was scrubbed.
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post #3 of 9 Old 01-19-2019, 02:28 PM Thread Starter
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Yup heaps of oxygen.
There's an under gravel filter being powered by an air stone as well as a shoulder filter cycling the water & breaking the surface tension.

The driftwood is the same as the previous set-up & it was such a light scrub, I honestly doubt it would've made a difference.

Prior to the Betta dying a week or so ago, I've never had any issues adjusting the pH & now I can't even budge it.

I'm thinking of adding bicarb soda instead of the liquid pH UP & seeing if that will make a difference...
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post #4 of 9 Old 01-19-2019, 08:14 PM
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Try to find a substrate/rock/shell to add rather than adding chemicals. They drop too easily and can cause serious issues. It'll take some time to raise it, but is far more stable for long term. How's the tap read?
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post #5 of 9 Old 01-19-2019, 11:40 PM Thread Starter
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Already have some shells (calcium) in the tank.

I've just added some bicarb (before reading your post) & I'll find out in a couple hours if it's made a difference.

Don't have a kit to test the tap water but I may take a sample to my local fish shop if I can't improve on the conditions myself.
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post #6 of 9 Old 01-20-2019, 11:15 PM Thread Starter
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Good news!

I was finally able to raise the pH to neutral.

Turned out to be one small piece of driftwood that I had additionally added to the existing collection of driftwood.

The moment I removed it the water finally went alkaline.
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post #7 of 9 Old 01-22-2019, 03:12 PM
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That's great that it was just a simple fix!
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post #8 of 9 Old 01-22-2019, 07:05 PM
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question..hello You said you couldn't test the tap water...then what were you testing the tank water with??

Just curious
C2D2
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post #9 of 9 Old 01-25-2019, 12:15 AM Thread Starter
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Quote:
Originally Posted by C2D2 View Post
question..hello You said you couldn't test the tap water...then what were you testing the tank water with??

Just curious
C2D2
Sorry, it was my misunderstanding of Genos' question.

I thought he was referring to the hardness of the tapwater which I don't have a test kit for.

It was later I realised he was referring to the pH of the tap water.

Tap water was alkaline...it was just that one pesky piece of wood that made my tank acidic.
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