Problem with citric acid overflowing into baking soda - The Planted Tank Forum
 
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post #1 of 1 (permalink) Old 06-17-2019, 08:56 PM Thread Starter
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Unhappy Problem with citric acid overflowing into baking soda

Hi,


Trying out DIY CO2 using Citric acid and Baking soda.

Below is my setup.

Citric Acid (Bottle-A) -> Baking Soda (Bottle-B) -> Needle valve -> Solenoid -> One way valve -> Diffuser (Aquarium)


Here is the problem i faced.


After making everything work and pressure at 1.5 kgf/cm, I closed the solenoid (confirmed bubbles stopped) and went out .. After around 3 hrs when I came back home, noticed almost 80% of the citric acid from Bottle A had overflowed into Bottle B and still happening. I had to close needle valve, to stop it overflowing from A to B. Now very little critic acid remaining in bottle A, but pressure seems to be fine at 4 kgf/cm. Right now I'm closing both solenoid and needle valve, just to be safe. But would like to understand why it really happened and if its expected.


Is this normal for citric acid to overflow to bottle B in few hours, when the solenoid closed? Now with very little citric acid remaining in bottle A, will I have still enough pressure for a week period, which I'm targeting.

Last edited by sudhi; 06-17-2019 at 09:21 PM. Reason: making it more specific
sudhi is offline  
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baking soda, citric acid, co2, diy, overflow

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