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You are here: Home / Archives for Aquaponics / Fish

Eradicate Mosquitoes With Aquaponics!

October 30, 2017 By Tim Mann 1 Comment

Eradicate Mosquitoes With Aquaponics!

Possibly the most important HEALTH benefit of farming aquaponically (that we noticed after our first system was operational for six months) was that the mosquitoes on our seven-acre farm had COMPLETELY disappeared! We live in Hawaii, [Read more…]

Filed Under: Aquaponics, Commercial Systems, Fish Tagged With: mosquito control, mosquito eradication, pest control

Low Density Systems

March 28, 2017 By Tim Mann 4 Comments

Low Density Systems

“Low Density” refers to the relatively low density of fish required for excellent vegetable growth. Our Low Density (or LD) systems only require four major components: a fish tank, vegetable troughs, a water pump, and an air pump [Read more…]

Filed Under: Aquaponic System Construction, Aquaponics, Backyard Systems, BIG Backyard Systems, Commercial Systems, Fish Tagged With: Fish, grow lots of fish, HD system, high density system, LD system, low density system

Concrete Tanks

February 24, 2017 By Tim Mann 7 Comments

Concrete Fish Tank Discussion

Concrete fish tanks (because of their labor and materials costs) usually cost as much or more than solid fiberglass tanks do. However, if you have free gravel and labor, [Read more…]

Filed Under: Aquaponics, Backyard Systems, BIG Backyard Systems, Commercial Systems, Fish Tagged With: concrete tanks, Fish, fish tanks

Fish Tanks

February 24, 2017 By Tim Mann 2 Comments

Fish Tank Discussion

We can’t say, “this tank is best”, or “that tank is no good“; because this varies widely depending on what is available locally, local labor costs, climate requirements and other criteria [Read more…]

Filed Under: Aquaponics, Backyard Systems, BIG Backyard Systems, Commercial Systems, Fish, General Principles, Organic Certification Tagged With: Fish, fish tanks, organic, organic certification, USDA Organic Certification

Growing LOTS Of fish

February 21, 2017 By Tim Mann 2 Comments

Growing LOTS Of fish

High Density (HD) Versus Low Density (LD) Systems

Low Density Systems (LD) We developed our LD systems after receiving many requests for an economical, viable, off-grid aquaponics system [Read more…]

Filed Under: Aquaponics, Backyard Systems, BIG Backyard Systems, Commercial Systems, Fish, General Principles, Organic Certification, Sizing And Productivity Of Systems Tagged With: best aquaponics system, Fish, grow lots of fish, HD system, high density system, LD system, low density system, organic, organic certification, profitability, USDA Organic Certification, what doesn't work, which system for me?

System Startup And Nitrification Time

November 17, 2016 By Tim Mann Leave a Comment

System Startup And Inoculation Time

Is when you fill the system with clean water and introduce fish and nitrifying bacteria to begin the nitrification cycle which powers plant growth. Here are three simple ways to do it: [Read more…]

Filed Under: Aquaponics, Fish, General Principles Tagged With: inoculant bacteria, inoculate, inoculation, startup, system startup

Daily, Weekly, And Monthly Tasks In A Commercial Aquaponics System

August 26, 2015 By Tim Mann 7 Comments

Daily, Weekly, And Monthly Tasks In A Commercial Aquaponics System

Daily Tasks:

Feed The Fish:

The fish food we use is Rangen 1/8” floating catfish food. You can use any floating food that has about a 30% protein, 6% or more fat content, but TRY to find a fish food [Read more…]

Filed Under: Aquaponics, Commercial Systems, Fish, General Principles Tagged With: dissolved oxygen, DO, feeding fish, water quality

How To Keep Your Fish Healthy and Alive When Hauling

August 25, 2015 By Tim Mann Leave a Comment

How To Keep Your Fish Healthy and Alive When Hauling

IMPORTANT- You can kill fish with bad hauling techniques! Even if you’re getting your fish from a pond or lake on your property, you still need to haul them a short distance [Read more…]

Filed Under: Aquaponics, Fish, General Principles Tagged With: Fish, fish dying, getting fish, hauling fish, transporting fish, what doesn't work

Feeding The Fish And Making Your Own Fish Food

August 19, 2015 By Tim Mann 10 Comments

Feeding The Fish And Making Your Own Fish Food

The fish food we use for both catfish and tilapia is Rangen 1/8” floating catfish food. You can use any floating food that has [Read more…]

Filed Under: Aquaponics, Fish, General Principles, Plants Tagged With: cheap stuff, Fish, profit, profitability, what doesn't work

Helping Your Fish Survive The Nitrite Spike (If You Get One!)

August 10, 2015 By Tim Mann 1 Comment

Helping Your Fish Survive The Nitrite Spike (If You Get One!)

IMPORTANT! When nitrifying bacteria are introduced to a system, the fastest breeding and feeding bacteria are the ones that eat the ammonia and produce nitrites. The ones that convert [Read more…]

Filed Under: Aquaponics, Fish, General Principles Tagged With: Fish, nitrate, nitrifiers, nitrifying bacteria, nitrite, nitrite spike, nutrients, startup, system startup

Adding Fish At System Startup

August 10, 2015 By Tim Mann Leave a Comment

Adding Fish At System Startup

We start all our systems with fish in them. There are “experts” who recommend “fishless cycling”. However, we have never bothered to, simply because starting up with fish works so well [Read more…]

Filed Under: Aquaponics, Fish, General Principles Tagged With: adding fish, Fish, inoculant, inoculant bacteria, inoculate, startup, system startup

Why You Don’t Need A Biofilter

August 4, 2015 By Tim Mann 11 Comments

Why You Don’t Need A Biofilter:

There’s a lot of nonsense about needing “filters and biofilters” in your aquaponics system coming from people who simply don’t understand how and why these systems work. [Read more…]

Filed Under: Aquaponic System Construction, Aquaponics, Fish, General Principles Tagged With: DO, Fish, fish food, grow lots of fish, HD system, healthy roots, LD system, nitrifying bacteria, slimy roots

Aeration Requirements In The Fish Tank And Troughs

August 2, 2015 By Tim Mann 9 Comments

Aeration Requirements In The Fish Tank And Troughs

If you don’t feel like reading this whole post, and just “want the facts”, here they are: If the water exiting your fish tank has a DO of 5 or above, you’re good. If the water exiting your troughs has a DO of 4 or above,
[Read more…]

Filed Under: Aquaponic System Construction, Commercial Systems, Fish, General Principles Tagged With: aeration, airstones, dissolved oxygen, DO, fish tanks, trough construction, troughs, water flow rate

High Density Systems

August 1, 2015 By Tim Mann Leave a Comment

High Density Systems

This is a looong post; we couldn’t figure out any sensible way to divide it into separate posts. It covers High Density aquaponics systems, which are systems that are designed to raise a maximum amount of fish. [Read more…]

Filed Under: Aquaponic System Construction, Aquaponics, Commercial Systems, Fish, General Principles Tagged With: chloramine, chlorinated, chlorine, dechlorinate, Fish, fish tanks, grow lots of fish, HD system, high density system, LD system, low density system, system construction

A Friendly Testimonial:

Hi Tim, My son, Carl and I attended the training in Texas this year. Just to give you an update. The Sunday after the training, I was coming home from the church I pastor and passed by a co-op that has several greenhouses out front that seemed not to be in use anymore. I drove through to check them out and they were not in use.

A couple of months later,.....we are now the owners of the 7 greenhouses and all that comes with them! We were able to purchase them all for only $2800. My son and I begin deconstructing them on Thursday.

I'm attaching a couple of photos for you to look at them. They have propane heaters, roll up sides, boxes and lights for electricity, fiberglass front and rear walls, and a lot of odds and ends that I believe will come in handy.

I am so glad we listened when you spoke on ways to find greenhouses without spending a fortune. It has been tempting to just "jump in" but I'm glad we waited.

Thank you and many blessings, Rob Rolison

(Below) About $50,000 worth of greenhouses and equipment that Rob Rolison and his son Carl picked up for $2,800 after we explained how to do so in our March 2016 Texas 5-day training. They're going to disassemble them and reassemble at their farm. If they'd bought them new, they be at zero now; another way to look at this is that they have $47,200 to spend on the aquaponics systems to go inside their greenhouses.
RolisonGH1-300px

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Click here to download our document: "How To Get A Greenhouse Nearly Free"

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