Dwc + air + ph?

When using DWC setups in straight water(5g buckets) and a digital ph meter, do you test ph with your air pumps on or off?

Thank you,
 
Re: Dwc + air + ph?

I test with them on.

But that is up to you. It will give the same reading.

If the pump is on it will mix any up or down you put in.
 
Re: Dwc + air + ph?

It will not effect enough to make much of a difference.

I have tested it and the most it was .1 difference from the probe being in the bubbles or not.

I drop mine in the the side of the buckets and not in the full bubble stream and have never had an issue with it.
 
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