Rob Nash
  • Male
  • Austin, TX
  • United States
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Rob Nash's Discussions

How much water is too much?

Started this discussion. Last reply by Rob Nash Jul 29, 2012. 5 Replies

I have a koi pond that is aproximately 6000 gallons, and want to connect some flood and drain beds to it. I dont have room to add the normal ratio of grow beds,which would be about 1500 sft,  but can…Continue

Tadpoles in the raft system

Started this discussion. Last reply by Dave Weekz Mar 31, 2012. 9 Replies

I recently experienced three weeks of slow growth on the lettuce rafts. The sun had been out just as much or more than the month before, but the plants were showing signs of stress and beginning to…Continue

What is the best design for a wicking bed?

Started this discussion. Last reply by Rob Nash Mar 13, 2012. 10 Replies

In an effort to build a more sustainable garden, im trying to have as many things out side the ap systems as possible. Most likely i will never go back to dirt rows, but know that power can be the…Continue


Rob Nash of HannaLeigh farm & Austin Aquaponics

Latest Activity

Rob Nash commented on Jeremiah Robinson's blog post Do my Bacteria Get Cold?
"look into Archea is said to work into the negatives,,, and into the extreme heat.. awesome stuff for plants.. have a look and let us know what you think. "
2 hours ago
Rob Nash replied to Carson Miller's discussion Floating PlantIt Hydroton
"they will saturate and sink.. give it some time. keep the bed flooded for a day or two to speed it up. "
Rob Nash replied to Jon Parr's discussion SchoolGrown Learning Lab Greenhouses in the group AP for Educators
"I tell all my market customers they dont have to wash our lettuce, kale or chard.. none of them do..and after 5years of selling produce to the public... not one incident. ive sold basil to restaurants for 9 years, they never wash it...we all know…"
Sep 9
Rob Nash replied to Dennis Brooks's discussion Sump overflows
"more sump!"
Sep 7
Rob Nash replied to Stacey King's discussion Flood & drain beds starving, but float tank doing well ... why?
"ah.. a lot of what not to do.   sounds like a rebuild is in your future."
Sep 7
Rob Nash replied to Sue C.'s discussion Mouse in grow bed
"i have not had one die in the media.. but do know that they like most young veggies. if you found it the next morning, and it didnt get the chance to drip grossness into the media, i would like to think its not a problem. if it was poisoned and…"
Sep 6
Rob Nash replied to Sue C.'s discussion Mouse in grow bed
"its no big deal.. fogetaboutit ! "
Sep 6
Rob Nash replied to Stacey King's discussion Flood & drain beds starving, but float tank doing well ... why?
"Air is the biggest issue your having.. notice the plants next to the incoming water are doing the best,, its the only part of the media bed that has enough air.. the water should go through the media beds, then drain into the raft and back to the…"
Sep 6
Rob Nash replied to Bill Phelps's discussion Siphon Stopped Working
"sound like the pump and or fill lines are clogged, thus slowing the rate of flow too much. let us know how the cleaning works.. "
Sep 3
Rob Nash replied to Lyle portzer's discussion bell siphon floating
"Nadeem has the right idea.. .go with a larger pipe. even 1-1/2" will do.. it has  to have air just bellow the bed to allow the siphon to interrupt itself.  dont glue it to the bed at all.. just let the bed's 3/4" tail pipe…"
Sep 3
Rob Nash replied to Ron Weaver's discussion tank turned green in 2 days
"The curse of the IBC strikes again!  unfortunately this will keep happening with the tote.. until you insulate, decorate, shade, etc... the IBC will continue to be a bummer.  and after all that, it will always look like, well... decorated…"
Sep 3
Rob Nash replied to Pam DeLong's discussion How harmful are API Products?
"i talked with a de chlorintor manufacturer on this subject.. he claimed the product wouldn't harm humans,, that it was a labeling thing.. the product with barely should be harmless.,, it should just be an extract.. federal labeling laws have…"
Sep 1
Rob Nash replied to Thomas Bassford's discussion Aquaponic Association is doing a photo contest!
" "
Aug 31
Rob Nash replied to Joshua's discussion Hello. New system in Ohio.
"Josh, a well established ap system can generate sufficient amounts of P and K to grow flowering plants.. just for clarity (so when you do grow some ganja) it can be done in ap just fine.. i would still add some bud formula nutes in a dual root zone…"
Aug 21
Rob Nash commented on Molly Darden's photo

Molly Darden's Aquaponic pre-setup

"above here, 2nd tab from the left is the insert picture tab.  welcome to aquaponic gardening, keep us posted on your progress."
Aug 20
Rob Nash replied to Joshua's discussion Hello. New system in Ohio.
"FTR- notice the 8.2ppm iron.,, i had been adding iron in the form of dry 13% (sprint 330) and the test kit that i used looks like it said 4ppm.. which is not too high in my book, but i have gone ahead and purchased the better iron test kit, with…"
Aug 20

Profile Information

How did you find us?
Search engine (Google)
Are you an aquaponic gardener already?
If so, what type of system? (pick all that apply)
flood and drain media, raft, combination
How old is your system?
2 yrs or more
What type of fish do you grow with? (select all that apply)
Koi, Tilapia
How big is your fish tank?
3 xs 1,000 gal, 300 gal, 180 gal xs 2, 150 gal, 50 gal xs 2, 1000 gal koi pond
Please tell us something else about yourself.
We run a small farm in Austin Texas, utilizing aquaponics on a commercial scale. Farming, installing systems, support and consulting ...we live and work with AP every day. I love what I do.

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Comment Wall (21 comments)

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At 5:28pm on April 8, 2014, Matt Lindley said…
Hi Rob. I have been using goldfish and koi in my system that I started one year ago in SA. I would like to add in tilapia this spring. I was told I might be able to purchase some from you. Is this correct?
At 6:15pm on January 8, 2014, Erik Powell said…
Have you ever worked with anything vertical or towers? I just got my tower in over a month ago and its way sweet!
At 12:28pm on March 15, 2013, Bryan Acred said…

Everything looks great Rob. Very professional. Great work.

At 10:18am on July 3, 2012, Chris Schup said…

Awesome. Thanks!

At 9:40am on March 22, 2012, chris taylor Swamp Creek Farms said…

Do you prefer gravel over rafts?  Building a setup similar to yours,  just dont want to do it twice.  Never tried rafts yet,  it seems i can grow more in gravel tho.

At 10:49am on February 29, 2012, Patti Taylor said…

Hey Rob anything going on this Sat?I need to get some shale this weekend and might swing by.

At 9:41pm on January 20, 2012, Ahmad said…

Hi Rob - it looks like you have a large operation, how many people work with you? Do you keep track of your total output? About how many square feet of growing space do you have?


At 8:24pm on November 27, 2011, Patti Taylor said…

Hey rob thanks for all the info and helping me dial in my system.The fish are doing great and  I plan on building that heater tomorrow.My wife and I really enjoyed the tour of your facility.your input was spot on...I learned more from you in a couple hours than I have in weeks searching on the net.

At 9:49am on November 27, 2011, Britt Fullerton said…

Howdy Rob, It's John Fullerton, I've been away from things as of late. I hope life is treating you well.  Awesome post on the heater.  Just saying hello and checking in, nothing major at this time.  Still working on getting the greenhouse built and finished.  Still want to come down and check you out sometime and just working on figuring out the time that's best.  Life is super busy.  Take care and talk to you soon.

At 5:16pm on November 21, 2011, David Schwinghamer said…

The one for 20?


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