Ph Crash And Fluctuations

2drgns

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How can I stabilize my PH?

I have a 55 gallon that has been up and running since Thanksgiving.

I have added crushed oyster shell to raise calcium for the snails and to add hardness to the water.

I've occasionally added dissolved baking soda to raise PH.

At last test (3/26)
KH was 2
GH was 14
CA was 100
Ammonia 0
Nitrite 0
Nitrate 60
PH at that time was 7.4
I removed the oyster shell

This morning I did just the PH test and was unable to get a reading. I added baking soda and retested and was able to raise the PH to 6.4-6.6

at this time I'm not looking to chase a particular #, I'd just like to have it stable in the safe range.

Any suggestions? I am traveling tonight and tomorrow but will redo all my tests on Sunday, along with a water change.
 

Fashooga

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Get a bag of crushed coral. I had a pH crash last year and killed most of my fish. You can get a bag of it at the LFS. 1 cup to every 40 gallons is the going ratio. I did that for my tanks and I have about a 7.0-7.4 pH.
 
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