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Entry Date
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Nick Name
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Location
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Saturday, April 28, 2012
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EP
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Ashland, KY
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Entry 69 of 154 |
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Aerator in operation- this both ensures as much O2 is dissolved in the solution as is possible, and it keeps the solution well mixed. It may not be clear from this picture, but there is a robust movement of water up and out of the tube, creating a upward circular movement of nutrients.
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