Instead of shutting off the skimmer for 4hrs when dosing MB7 or MB Clean in accordance with the instructions, would it be ok to just reduce skimmer pump speed and open the skimmer output all the way which would reduce water and foam level in the skimmer neck thus nothing collecting in the skimmer cup? Reason for asking is I would like to limit the drop in ph since I run a CO2 scrubber recirc setup which also pulls in fresh outside air to the scrubber. I understand that the inside portion of the skimmer body could get a little nasty but I can live with that.