| for 10,000 I am running one 100L air pump on each of the two BDs. I am also running a 120L air pump on each Nexus. With luck I will have the bakki shower up and running by next weekend. You might think taht is too much aeration. No such thing. Put the DO levels as close to saturation as possible. You always want the water to be at least 80% of saturation. Remeber that saturation varies with temp. Cooler water holds more DO that warmer water.
As for not seeing the fish or interference with feeding...just turn the air pumps for the pond off for a period of time. Easy to do with a RF remote control you can get at Home Depot or Lowes for around $30 or put the pump on a timer.
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Too much sanity may be madness and maddest of all is to see life as it is and not as it should be.
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