Building a Homemade Compost Tea Brewer
I am going to build my own 20L/5-gallon version of a compost tea brewer. I'd like to replace my 44-gallon sealed plastic barrel setup, which I realize is going anaerobic after reading your free e-book.
With regards to aeration pumps, what flow rate will I require for a 20L pail? I plan to brew once per week. How important is the agitation? Can it be done manually?
Any info and links on how to build an effective brewer would be greatly appreciated.
Cheers! And BIG UPS on the website, this is evolution!!!
Thanks for building our Tribe in New Zealand. Our international membership is growing quickly these days.
So you want to build your own compost tea brewer, eh? Let's see how we can help you.
The best information I've found on this topic comes from Tim Wilson, over at Microbe Organics. He's dedicated many years of his life to studying microbes and soil health, and would be more than happy to field your questions.
Tim has taught us that the flow rate you want to achieve for actively aerated compost tea (AACT) is between 0.05 and 0.08 CFM (cubic feet per minute) per gallon of water. The closer your flow rate to 0.08 CFM/gal the better. You can even go higher if you're able to.
In terms of agitation and further discussion on aeration, please check out our compost tea maker page.
Once you've built your new brewer, please post some pictures of it for our Tribe members.
Thanks for your encouraging words. We agree, this is evolution!
Peace, Love, and Happy Compost Tea-ing!
Compost Junkie Dave
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