Apr 04

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Aquaponics Greenhouses

Aquaponics Greenhouses
– by Colle and Phyllis Davis

ACRES GRENHOUSESGrowing food year round in any climate anywhere in the world IS the future of food. Aquaponics greenhouses are part of the growing trend for using controlled environments for the growing of food. They allow for the raising of food nearer to the consumer and consistently delivering a much higher quality product. They also require the use of less water and energy than conventional farming or even regular greenhouse growing.

The use of greenhouses for growing food is centuries old and over the years there have been incremental improvements to them. The most impactful change in recent decades has been the use of plastics to cover the structures making them much more air tight and actually safer. Yes, the coverings must be replaced every few years (3 to 20+) but, they more than pay for themselves during that time. They are also specially designed to enhance the light quality reaching the plants.

greenhouselightsatnightThe main advantage for using greenhouses is to modify the micro-climate and to extend the growing season. The protection from the weather has a huge positive effect on the plant growth and is very cost effective. The main disadvantage, in most cases, is that the greenhouse is being used in the same-old-ways of intensive farming methods that are used in regular growing. The water is applied to the plants and the excess water flows into the ground and is lost forever. Even if watering is done with careful irrigation even drip irrigation systems, the water is lost forever.

The other greenhouse growing system that is gaining huge traction in recent years is that of hydroponics. There are literally hundreds of acres of hydroponics systems in production or in the planning stages today. Most hydroponics systems grow lettuce and basil very well but their ability to grow a wide variety of plants is limited unlike medium-based aquaponics which grows over 300 varieties of plants.

farm 8 18 2012 aquaponicsModern aquaponics systems are almost always closed-loop growing systems. This means that the systems are very nearly self contained and, yes, you do have to put in fish, fish feed, electrical energy, seeds and some human energy and there is a very small amount of ‘waste’ generated. This waste from aquaponics can be used again on trees, gardens, lawns, flowers or anywhere a liquid fertilizer is normally applied because it is NON TOXIC. The sun is the main energy input and it works nearly every day and for free, use it wisely.



kale2 aquaponicsThe aquaponics greenhouses do need some of the same heating and cooling systems that regular greenhouse are equipped with, but because there is so much thermal mass with the water and grow medium (often gravel) contained inside, it is much easier to heat and cool than ground-grown systems. This use of thermal mass and the careful timing of the heating and cooling requirements are the hallmark of a climatically adapted greenhouse tuned to maximize the production using very little outside energy.




waterfish aquaponicsAnything that is toxic to fish such as pesticides, insecticides, herbicides and even many ‘organic’ pest controls will kill your fish and ruin your system. It is vitally important to keep the killing agents outside the greenhouse and out of the system. This means keeping the interior clean, neat, never bringing in any kind of soil or outside plants, having the workers wear gloves and be very careful of washing their hands and tools before and after usage and in general keeping a ‘clean room’ level of sanitation.



pfas shot to video aquaponicsGreenhouse aquaponics will reward the owners with year round vegetables, fish on a regular basis, an income that will grow faster than inflation and production will never exceed the local demand. As the cost of fuel/energy increase the ROI on the investment in aquaponics greenhouses will become more and more attractive.

The Portable Farms™ Aquaponics Systems are a proven, guaranteed to work, patent pending system that is available today for aquaponics greenhouse growing. Contact us today to receive the Special Report – 5 Phases of Commercial Growing document.


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  1. Mike Walker

    Good Afternoon,
    I have become quite interested in aquaponics. I live in Northern California and think that the laws say I cannot have tilapia? Whats is another viable type of fish that I can raise and market that is hearty and not susceptible to disease?

    Thank you,

    Mike Walker

    1. portfarm4


      Actually the ‘law’ is a regulation that has never been enforced. Check with your LOCAL Fish and Wildlife people and if your installation is over 1000m from a ‘live’ stream you may get a special dispensation from them. There is a very large tilapia installation near the coast in Northern California which has been there for years and Fish and Wildlife don’t like to talk about it.

      You can also use catfish.

      Colle Davis – Inventor

  2. Jana Thurber

    I love your site and I’m very interested in beginning small with aquaponics as I LOVE organic food and fresh tilapia! We recently moved to residential Lincoln, Nebraska with back yard. As such, I have some questions….Will a greenhouse outdoors hold up under heavy winter snow and cold temps? What are the kit dimentions of the smallest setup you sell? Is smaller indoor space a viable option? These are a beginner’s questions and I thank you for your kind reply. Jana Thurber

    1. portfarm4


      Thank you for the kind words. Please spend some time on our other site http://portablefarms.com to find much more information.

      You will need a climatically adapted structure no matter where you are located. This means one build specifically for your climate. Indoor systems work very well also and you will have to install grow lights. The PFAS ‘Kits’ are all same size because we only ship you the technology, not the greenhouse, fish tank, grow trays and components you can buy at the local home center. The Kit itself is approximately 1 cubic foot and is the commercial grade for everyone designed to handle a 200 sq ft Grow Tray.

      We trust this information is helpful.

      Colle Davis – Inventor

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