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Aquaponics and Peppers

Does the fish you use matter that much? Is there anything you have do to feed them, or is their food created by naturally occurring bacteria in the water?
 
I've heard of people using all kinds of aquatic life. From Perch to Turtles to Bass. The Mayans actually started this as they would have floating gardens over water. So I suspect that any fish would do. I've only used Tilapia in my large systems. I did build some mini-systems with 30 gallon tanks. Just a little herb garden. In that garden I used small tropical fish. It did "OK". In retrospect, goldfish would have probably been better. They are better poopers. And that is what it comes down to. The poop.
 
Tilapia are very durable fish. A system like this, it is easy to end up with some form of pathogen. Especially in the first year or so. The Tilapia seem to power through adversity and temperature changes pretty darn well.
 
As far as natural occurring food, we've tried duck weed, they'll eat algae too. But it was a pain. So we started with high protein pellets from AquaMax and went through various phases. It ended up being too much trouble for me and pricey. I've got a lot going on. So I've just settled into regular pond pellets and it works great. They eat it, they poop, the plants grow. The worms will eat the debris and fish poop solids and turn it into their own poop. Which is quite nutritious for plants.
 
Maglax said:
Does the fish you use matter that much? Is there anything you have do to feed them, or is their food created by naturally occurring bacteria in the water?
Catfish, trout (in cooler climates), even goldfish or a koi pond can all work. Ive also seen some systems with pacu or barramundi.
 
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