Aquaponic Gardening

A Community and Forum For Aquaponic Gardeners

Cai Robertson
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  • Barrie, ON
  • Canada
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Cai Robertson's Discussions

Liquid Rubber for water-proofing tanks and growbeds?

Started this discussion. Last reply by Cai Robertson Mar 1, 2012. 32 Replies

     I was going to use epoxy to waterproof my plywood tanks and growbeds, but I am concerned about BPA ending up in my fish and vegetables.  I found something called Liquid Rubber at Home Hardware.…Continue

Will legumes fix nitrogen in an aquaponics system?

Started this discussion. Last reply by TCLynx Aug 8, 2011. 6 Replies

     I am wondering if beans will fix nitrogen in an aquaponics system in the same way they do in soil.  If so, would this be measurable in some way or would it simply be added nitrate?

Raising Rainbow Trout?

Started this discussion. Last reply by Cai Robertson May 3, 2011. 8 Replies

     I am wondering about raising Rainbow Trout and am not finding much information.  From what I have gathered they need cold water, not going over 68 degrees in the summer abd need good water…Continue


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Profile Information

How did you find us?
Search engine (Google)
If you found us through a search engine, what search words were you using?
Trout aquaponics ontario
Are you an aquaponic gardener already?
If so, what type of system? (pick all that apply)
flood and drain media
How old is your system?
Just started
What type of fish do you grow with? (select all that apply)
How big is your fish tank?
10 gallon
Please tell us something else about yourself.
I have had a garden in my backyard for the last three years with mixed results. I became interested in the idea of hydroponics as a a way to better control the growing process and maximize my yeilds. I initially figured an aquaponics set up wouldn't work for me because of the winter in Ontario, but I am brainstorming an inground greenhouse with a trout pond on the bottom. I am hoping the earth will regulate temperatures well enough to avoid any major heating costs. I have just started a small aquaponic system in my kitchen window.

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Kitchen window aquaponic set-up.

Posted on August 7, 2011 at 7:18pm 3 Comments



     I established the goldfish in their tank first. They were there for four of five weeks before I got around to making the grow bed. The bed is a simple flood and drain set-up with about 3 1/2 inches of expanded clay pellets. The bed is lined with poly. I had some issues with leaks because I was trying to use silicone to seal the overflow pipe to the poly. The silicone didn't really want to…


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At 6:46pm on February 16, 2012, Robert C. Wood said…

I read that you would like to use pickeral/walley for the fish in your system. My brother-inlaw  went to lindsy college for aquaculture and he found a study that was done on pickeral. the findings were that it takes 12 generations of captive breeding before they stopped canibalising one another. Unfortunatly when they were done the study they destroied the fish. I am sorry I don't remember the name of that study and the only place that I know of to possably find it is at Sir Sanford Flemming college in Lindsy.

At 9:56am on April 26, 2011, Sylvia Bernstein said…

Welcome Cai,

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 get in there and start asking questions.  Everyone is quite happy to help out new members – no question is too basic.  

A great place to start is to read the “How to Use This Site” link on the upper right corner, “Start Here” section of the Main page.  You might also find the “Aquaponic Gardening Rules of Thumb” guidelines helpful.

Please add a profile image, participate and check in with us every day!  We are constantly posting news about aquaponics and the good food movement.

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



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