Aquaponic Gardening

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Comment by Favourite Aunt on Thursday

What is the most economical way to feed my goldfish? I've just started my system and I've never kept fish so its a really steep learning curve. At the moment I'm using flakes from the pet shop as the safest option in the short term but I think it would be good to mix it up a bit.

Comment by Charis on April 8, 2013 at 6:14pm

Awesome thanks Shaun will do :) 

Comment by Shaun on April 8, 2013 at 6:27am

Who else wants to show what they are doing

Comment by Shaun on April 8, 2013 at 6:26am

Looks great nice and simple. Check your water does not go down too much at the flood stage or the fish may go into shock. A bigger holding tank would be better, if you can manage it, about six times the amount of water taken out whilst flooding, preferably one with a lid or partial lid if using a smaller tank. This will limit the amount of evaporation and stop ammonia condensing and becoming toxic too quickly. Don't forget it takes a few months for the system to balance so starting with just small lettuce or herbs is a good idea. Keep us up to date with your achievement's. 

Comment by Charis on April 7, 2013 at 6:20pm

So just finished my little start off setup - currently testing the media so I wont put the fish in until Tuesday if all goes well.  Since Im starting off Im doing the goldfish route until I've got my system sorted.   

Comment by Charis on March 24, 2013 at 9:51pm

Hi, loving the info on here.  Im looking at aquaponics and finding the information on here excellent.  Im starting off small (to get a feel for things and tweak my systems) before increasing.  Any tips or advice greatly welcomed, loving whats on this thread so far.

Comment by Shaun on March 22, 2013 at 6:43am

There are two main places to check what is acceptable to use in your region, your local DOC and Primary Industries office. In Dunedin its gold fish or fresh water cray

Comment by Sydney Grace on March 21, 2013 at 5:54pm

It seems that there are  only a few choices of freshwater fish allowed for aquaculture in NZ. Trout is not listed at all. Tilapia and Koi are also not listed as acceptable (they are noted as being "unwelcome"). Grass carp and White carp as well as Red Finned Perch are possibilities. Grass carp seems to make the most sense in that it is primarily a herbivore. It is interesting to note that Grass carp are noted as a threat to habitat. Does anyone know anything about the tilapia restriction? All three of these possibilities have a far longer growth curve with some fussy breeding issues. We are in the planning stages and fish choices determine many structural and hardware choices.

Comment by Vesta Rivers on February 7, 2013 at 5:11pm

hi.. ive just joined and are looking to try it and also wondering what fish ..grass carp are eaten a lot by the asian culure and are voracious weed eaters .there own body weight every day... so if u had an established tank.. maybe a series of tanks that the fish cld be transfered between to allow regeneration..  .. then there wld be no cost in feeding the fish.. 

the other fish  im thinking abt is perch as it tastes good apparently.. if anyone knows about this..??? and i met someone who was seeding his lake with them for eating..

how exciting... happy to have found you all

i did see recomended, setting up the enviroment with goldfish initially..

im definetly going to have a natural pond enviroment .. not a sterile tank

Comment by kumara on January 17, 2013 at 12:13pm

Hi, I am a new member. I would love to set up a small greenhouse with aquaponics but have no idea how to go about it and just want to learn something here! I live in the Marlborough Sounds.
Regarding the fish one could use I found this list on the MAF site:
http://www.aquaculture.govt.nz/species_list.php
But I still have no idea which of the species would be ok for aquaponics?

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