Aquaponic Gardening

A Community and Forum For Aquaponic Gardeners



What commercial feeds do you use, where do you get them?

What about growing/making your own feeds?

Home made fish feed recipes.

Fish nutrition?

Are worms and/or BSF larva good fish feeds?

Members: 178
Latest Activity: Jun 17, 2015


I've noticed there has been much talk about trying to feed fish sustainably as well as trying to make them healthy to eat.  I thought perhaps this warranted a group.  Another point to keep in mind is that the fish feed in aquaponics is not simply a means to grow fish, it is also our primary means of getting proper nutrients to our plants so one can't really expect to remove fish and veggies from a system into which no external feed is added.  If you will be removing fish and veggies to eat, you will have to replace the nutrients you take so you can't expect to grow all the fish feed in the system and still have much nutrient left over to provide veggie growth and fish harvest.  (No perpetual motion machine.)


That said, there is much that can be recycled within an aquaponics system or if not directly, it might go through worm or bsf bins before coming back to the fish.


I'm starting a list of links here to previous discussions on feed and related things


Alternative Fish feeds

Fish Feed

automatic duckweed feeder

Fish Feeders

What feed are you using


Discussion Forum

Tilapia feed recipe

Started by steve. Last reply by Sue Whitney Jun 18, 2014. 4 Replies

Would like to work on developing a Tilapia feed recipe. It would consist of several  possible component categories. 1. Animal or bug Protein, fish products, BSF  2. Grains, Corn, Soy, Rice, carbs. 3.…Continue

growing brine shrimp for feeding

Started by Hydroponics Curacao Dec 15, 2013. 0 Replies

I'm interested in starting to grow brine shrimps. I've searched the Internet a lot about these but I keep getting different information. Does someone on here know how to grow them to give me tips?…Continue

"The Future of Aquafeeds"

Started by Paul Trudeau. Last reply by halemart Sep 28, 2012. 2 Replies

Click below for an interesting report from NOAA on fish food, dated Dec. 2011:The Future…Continue

Sustainability Overview of Fisheries Used for Fishmeal, Fishoil Released

Started by Paul Trudeau. Last reply by tilly the tilapia Jun 27, 2012. 5 Replies

from The Fish Site Newsletter, June 26, 2012: "Sustainable Fisheries Partnership (SFP) has released the annual sustainability overview of fisheries used for fishmeal and fish oil."  Read more at: …Continue

Comment Wall


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Comment by Rick Stillwagon on March 15, 2012 at 8:40pm

I am going to raise these guys as a feeder fish.  They reproduce well in my ponds and they dont get over about 3" in length.  No wasted food... If they dont eat them all they will be swimming around until they do!

Comment by Paul Trudeau on March 14, 2012 at 7:03am

I thought I saw a posting in the last week or so about trying to manipulate fish food content to produce ideal nutrient balance for the plants.  But now of course I can't find the post.  Did anyone here notice that post and can you direct me to it?  Thanks.

Comment by TCLynx on February 7, 2012 at 6:10pm

The link is good Paul.

Comment by Paul Trudeau on February 7, 2012 at 12:28pm

Please see “Guidelines for the Use of Wild Fish as Feed in Aquaculture” and "Research on Alternative Raw Feed Materials" posted in Organic/Natural Fish Feed group on this forum.  Perhaps I should have posted them here instead.  

Comment by Root Doctor on November 27, 2011 at 3:00pm

We do not require fish and or manufactured fish foods or nutrients to fully sustain a aquaponic system. Bioponics supports fish but does not rely on fish. Green manures recycled into the garden system are sufficient to product fertility for even the heaviest feeding plants. Fish are fun and added income but don't get stuck believing you have to have a certain fish biomass or variety to keep your grow beds nutrient rich year round. 


Comment by TCLynx on September 4, 2011 at 9:02am
try in moderation.  I don't really expect molasses to be directly detrimental to fish but as Halemart noted, adding too much to a system can cause a serious bloom which could complete with fish for oxygen if it is too extreme.
Comment by Larry Austin on September 4, 2011 at 8:59am

Plantation Blackstrap Molasses from local health food store, about $8.50 a quart. The label shows higher values than any other brand that I have been able to find.

May be worth checking out..

Comment by TCLynx on September 4, 2011 at 7:53am

The original comment about molasses came from the idea of coating some surface with it to grow small critters like midge larva to then hang in the fish tank to feed the fish.



Comment by Kobus Jooste on September 4, 2011 at 1:24am

I'm not sure if this was mentioned before, as I have not been following the string to see where the molasses idea came from.  In a biofloc situation, the degree to which bacteria will bloom is derectly related to the ratio of carbon to carbohydrates in the water.  Shrimp farmers know this and create the perfect coctail to ensure that the detrivores have the best floc (solids coated in bacterial growth) to feed on. 


I wonder if anyone has tried to see if there is use for this knowledge in typical aquaponic applications?


Comment by Harold Sukhbir on September 3, 2011 at 9:59pm
It was made in my country for over 150 years, old folks swear by it.......good for digestion/constipation. I guess it increases "good bacteria" in humans, so why not fish or AP environments? I'm very interested in your results.

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