Aquaponic Gardening

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Controlling Ammonia Levels By Feeding

Learned today that the way to control ammonia levels is to stop feeding the fish.  We were overfeeding and that drove ammonia levels really high in the 8+ ppm range (tubes on the left of photo). Taking what I learned in Knoxville, I stopped feeding the fish for two days and the tubes to the right illustrate how depriving the fish for two days dropped the ammonia level. The two right-most tubes show what happens when you start feeding again.  The front-most tube is before feeding them this morning. The tube behind it is 40 minutes after feeding them. Notice how ammonia rises again.  

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