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I had the end of the air tube placed at the bottom of the funnel in the tube. I am going to move it up to the half way point so that the solids can settle to the bottom. I am also going to suck out a little of the water from the funnel with a dosing pump every 3 hours so that I can get rid of those solids .
I hope that I don't have to go with pure oxygen. That would be an added complication and expense. My first step would be to install an algae scrubber because I am very comfortable with them. An algae scrubber would bring the dissolved oxygen up but that would entail a lift or a higher volume dosing pump. I already have one of those but I really want to keep this as simple as possible.
My hope is that by getting rid of as much of the un-dissolved powder as possible, I can keep the bacteria at a lower level. Then when the tube is full and running, I plan to turn over of a quarter of the water per day. Hopefully, the bacteria count will be low enough for the artemia to survive despite using powder.
Maybe I can find the key while keeping things simple and inexpensive as possible.
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