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Gallons per fish: does a sweet spot exist?

Started this discussion. Last reply by TCLynx Sep 5, 2010. 21 Replies 0 Likes

I heard a rule of thumb recently that you don't want to go much more dense than 4 or 5 gallons per full-grown fish. I assume this has something to do with the amount of nitrifying bacteria available…Continue

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How many fish to a school?

Posted on August 5, 2010 at 12:11pm 5 Comments 0 Likes

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.

Worms to replace 'trash fish' feed?

Posted on June 17, 2010 at 7:00am 2 Comments 0 Likes

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

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At 10:37am on June 5, 2010, Sylvia Bernstein said…: Absolutely! I'd love the help. Please fill out the survey that is linked to on the home page, and at the end I'm looking for people to help with this. Given how small aquaponics still is in the US, I'm hoping for 20 people at this...but everything starts somewhere, right?

Thanks for the offer!

At 10:23am on June 5, 2010, Sylvia Bernstein said…: Hi Ken,

Thanks for joining the Aquaponic Gardening community! I hope you find it a fun place to explore aquaponics. There is a real blend of experienced and new aquapons in this community, so please don’t hesitate to join in. Always thrilled to have experienced growers join us – please post some photos of your system!

If you are interested in a forum or blog topic, but don’t want to join in right away, just check the “follow” box to be notified whenever there is activity on that subject.

We have just one rule - keep it cordial (no flaming!).

Thanks again for joining us, and I look forward to getting to know you.

Sylvia