Air or CO2 pocket in the calcium reactor

[oualid]

After my reactor has been running a few days it appears that either CO2 or air is getting trapped in the top of the reactor (approx 2inches).
Drip rate is 60 drops/min (effluent) and CO2 1 bubble/6s.
PH probe is connected to an Apex and the intervall is 6.7-6.5.

Any idea?

 

[MBruun]

I'm using same reactor - excellent ractor and running a coarse media like yours.
Remove the sponges. Only needed when using a fine media.
I use a degasing chamber with fine media, so the output having a ph on 7,6

 

[saltgeek1]

@oualid I agree with @MBruun remove the sponges. Also, I noticed that you are running the reactor pretty low are you aiming for a relatively high ALK?

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[blstravler]

Take the sponges out. That is a great reactor. Biggest piece of advice is to stop controlling your CO2 with the PH Probe. Measure your output effluent ALK and adjust your CO2 or your output effluent flow from there.

 

[oualid]

Yes, you are right.
Thank for the advices.

/Oualid