Compost tea

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One of the most interesting things in growing trees is to make them grow better. While browsing the internet to educate myself I came across the soilfoodweb from Dr. Elaine Ingham. After absorbing hours of reading and youtube, like microbeorganics by Tim Wilson. I decided to give this a try and make my trees grow better with compost tea and forgo the use of pesticides and conventional fertilizers.   
 While most of these websites are talking about the back yard growers and not the small farm set ups. I question how to brew 1000 liters of compost tea at a time.  Yes, you can buy the commercial 1000 liter brewers for a pretty penny, but just to give a trial run at this with a lower investment, out came the engineer in me and I came up with the next solution.   
 The bigger centrifugal air pump were too costly to use and that is probably why the commercially available brewers have such a high price. Going with the idea of Tim Wilson of microbeorganics.com, who designed a brewer with a diffuser and what he calls the airlift bio reactor. This is a brilliant idea but this size was too small for my 15 acres. So how to come up with the idea to use his airlift bio reactor in a 1000 liter container? Back to the internet and youtube. I found something interesting with building air lift pumps used for aerating koi ponds. These guys are building the size up from Tim Wilson. You don't need a big centrifugal air pump to use these.  So I built two of these airlift pumps and started brewing my compost tea.