Aquaponic Gardening

A Community and Forum For Aquaponic Gardeners

Ken Westervelt's Blog (2)

How many fish to a school?

I am far from an expert on the aquarium side of aquaponics. There are certain kinds of tasty freshwater fish that school together. Arctic char, for instance. The problem is, I don't have a clue as to how many fingerlings I would need to get before they clump together and act like a school of fish.

This will probably not be my first tank I build, but it's good to know what options are out there.

Added by Ken Westervelt on August 5, 2010 at 12:11pm — 5 Comments

Worms to replace 'trash fish' feed?

Tuna, salmon, eel, and other carnivorous fish are fed ground-up fish meal. Many think this is an unsustainable practice. Every pound of meat-eating fish requires between two and twenty pounds of fish meal. This continues the drain on our ocean life. Alternatives can and should be looked into.

One protein source is readily available, and currently being used in many areas around the world. Composting earthworms have potential as a substitute. These worms feed on vegetable scraps, wood,… Continue

Added by Ken Westervelt on June 17, 2010 at 7:00am — 2 Comments

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