Aquaponic Gardening

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One of the most important items to consider is Dissolved Oxygen and Tank Loading in your fish tank :-) Especially at higher elevations.   You overload a tank’s dissolved oxygen supply and you will experience a fish die off back to the number of fish that can be supported by the dissolved oxygen in that tank. 

 

In commercial operations, you had better have a lake or pond aeration system for each tank that keeps the dissolved oxygen at 6 to 12 ppm or better (How did he learn that?)  Those silly little air stones and cute little pumps simply do not hack it. 

 

A couple times a day I check dissolved oxygen with one of these meters:  http://www.ebay.com/itm/Milwaukee-MW600-Dissolved-Oxygen-DO-Meter-S...

 

See photo attached.

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