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Terri Mikkola
  • Denver, CO
  • United States
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Terri Mikkola's Discussions

Nitrification and Alkalinity

Started this discussion. Last reply by Terri Mikkola Jul 22, 2011. 4 Replies

For those of you who enjoy reading scientific papers, you might find this paper of interestEFFECT OF ALKALINITY TYPE AND CONCENTRATION ON NITRIFYING BIOFILM ACTIVITY Continue

Tags: nitrite, nitrate, bacteria, ammonia, nitrification

 

Terri Mikkola's Page

Latest Activity

Lee Ferguson left a comment for Terri Mikkola
"Terri - would you send me more information on your air lift pump  "
Oct 16, 2012
Vlad Jovanovic replied to Terri Mikkola's discussion ORP and Media Bed Cleaning in the group Chemistry, Math, and Aquaponics
"Useful...sure. I'm a sucker for cool probes, meters, (relatively) precise measurements of data which is "useful" to me in varying degrees and in various ways...even if it's just to fulfill my curiosity about…"
Oct 2, 2012
Pices replied to Terri Mikkola's discussion ORP and Media Bed Cleaning in the group Chemistry, Math, and Aquaponics
"Thanks Vlad, other than sampling a media bed for anaerobic tendencies, is an ORP reading useful for maintaining an optimized AP system?"
Oct 2, 2012
Vlad Jovanovic replied to Terri Mikkola's discussion ORP and Media Bed Cleaning in the group Chemistry, Math, and Aquaponics
"Wow Terri, this is cool stuff (I'm still not sure about how exactly one would go about selectively cleaning the bottom-is layers of a grow bed though). Pices, it's basically just a millivolt meter that measures an electrical current across…"
Oct 2, 2012
Pices replied to Terri Mikkola's discussion Are "aged" media beds soil-based? in the group Chemistry, Math, and Aquaponics
"But doesn't the mineralization of solids convert them to soluble nutrients?"
Oct 2, 2012
Pices replied to Terri Mikkola's discussion ORP and Media Bed Cleaning in the group Chemistry, Math, and Aquaponics
"Terry, have you used an ORP probe to check on the condition of a media bed? I have never used an ORP probe and don't understand how to sample selected depths in the media bed."
Oct 2, 2012
Terri Mikkola commented on Glenn Martinez's blog post Air lift pumps in Aquaponics
"Here's a video showing how to make the air lift. It's in French The pvc pipe and fittings sizes are in metric and as far as I know there's isn't a distributor in the US. "
Sep 27, 2012
Terri Mikkola commented on Sylvia Bernstein's page Buy / Sell Marketplace
"@John, I made it but haven't had the opportunity use it. I talked to the guy in the video to get the specs, so it should work.  All the parts came from Lowes. I'm working on a design manual with pics for another person. It might be…"
Sep 27, 2012
Terri Mikkola commented on Glenn Martinez's blog post Air lift pumps in Aquaponics
"@Chris, yes, the lift is only a few inches. If I had a way to test it, I would play around with different elevations to see what type of output I could get. I think this is a great option for commercial systems."
Sep 27, 2012
Terri Mikkola commented on Sylvia Bernstein's page Buy / Sell Marketplace
"Selling high output air lift pump 3000 gph - needs a 20 lpm air compressor. The output has not been verified. Price is negotiable. The design is based on this pump  - Air lift pomp from aquatechnobel.be on Vimeo."
Sep 27, 2012
Terri Mikkola commented on Glenn Martinez's blog post Air lift pumps in Aquaponics
"@Glen, I loved your air lift display at the conference and the video of the pump in action. I was amazed with the lift. Earlier this year I built this high output air lift pump (3000 gph / 20 lpm of air) for a commercial AP system based on the…"
Sep 27, 2012
Terri Mikkola added a discussion to the group Chemistry, Math, and Aquaponics
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ORP and Media Bed Cleaning

One problem with media beds is that they need to be taken out of service to clean. If a person could identity bed zones that were trending toward becoming anaerobic and perform “targeted” cleaning, the bed could stay in service with minimal harm done to the biofilm.One way to perform such trending is to profile the solids layer with an ORP probe on a monthly basis and record and chart the results in a spreadsheet.The following illustration can be used as a guide for interpreting the results.…See More
Sep 24, 2012
Terri Mikkola updated their profile
Sep 21, 2012
Terri Mikkola replied to Terri Mikkola's discussion Are "aged" media beds soil-based? in the group Chemistry, Math, and Aquaponics
"@Rebecca: Thanks for the link I like the wicking bed concept for treating fish waste. There's a septic tank design that uses the same principle - Evapotranspiration bed.  I think Earthen Group's design would be ideal for a K-12…"
Sep 19, 2012
Rebecca B replied to Terri Mikkola's discussion Are "aged" media beds soil-based? in the group Chemistry, Math, and Aquaponics
"Off topic of gravel beds being soil, but interesting---there's a discussion on BYAP of a system where the wicking beds are part of the recirculating system.…"
Sep 19, 2012
Terri Mikkola replied to Terri Mikkola's discussion Are "aged" media beds soil-based? in the group Chemistry, Math, and Aquaponics
"@ Bob: One thing you may want to consider going forward with your experiment is to not use 100% worm castings. Please review the section on "application rates" in the attached paper."
Sep 19, 2012

Profile Information

How did you find us?
Search engine (Google)
Are you an aquaponic gardener already?
Yes
If so, what type of system? (pick all that apply)
vertical
How old is your system?
1 - 2 yrs
What type of fish do you grow with? (select all that apply)
Goldfish
How big is your fish tank?
25 gallons
Please tell us something else about yourself.
I have worked as a certified wastewater treatment operator and manager for more than 20 years. My experience includes domestic and industrial wastewater treatment, as well as groundwater remediation. My interest in Aquaponics follows a natural progression of water quality interests. I views Aquaponics as a wastewater treatment system with the added benefit of producing food. My microsystem is a great tool for learning about aquaponics.

I have had the opportunity to work with 2 commercial AP systems in Colorado and assisted with building the new facility at the Grow Haus, in Denver.

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Comment Wall (5 comments)

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At 1:03pm on October 16, 2012, Lee Ferguson said…

Terri - would you send me more information on your air lift pump

 

At 7:23am on October 14, 2011, Jim Gill said…
I would love a copy of the excel spread sheet for the calculations on air floor if you could e-mail it to me   it is  jhgill@wowway.com  thanks very much Jim
At 7:15pm on September 4, 2011, Carey Ma said…

Hello Terri, Thank you for adding me as a friend here. I enjoy people with understanding.

Cheers to ya!

At 3:18pm on May 24, 2011, Chitola Utsanami said…

Welcome Terri!

 

Chitola

At 8:03am on March 9, 2011, Sylvia Bernstein said…

Welcome Terri,


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. Also, consider joining the Colorado Aquapons group (see Groups tab above).


Please 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.


Sylvia

 
 
 

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