Michigan Compost Tea Brewers Thread

Huel Perkins

Well-Known Member
This is semi off topic since its not about brewing but, there are plenty of Hydro shops (at least by me) that offer free compost teas that they brew in the store. I have 4 different stores within 10 minutes of my house that i know of that have "Tea Tuesday - Just bring your own jug".
 

Rrog

Well-Known Member
You'd want to use compost tea fast, before the carnage starts.

Compost = nutrients in bulk. But how does this bulk nutrient become available for the plant?

Bacteria break down the bulk into plant-available nutrient bites, if you will. Like teeny fish with a little bit of plant food in its belly.

The bacteria store the nutrients within them. At this point their nutrient payload is NOT available to the plant yet, since it's stored within the bacteria.
The bacteria has to die to release the payload.

How does the bacteria die? The protozoa eat the bacteria, thereby finally releasing the little nutrient payload the bacteria has been carrying, since protozoa have short lives.

So what's happening in a brewer?

We mix Compost, bacteria and protozoa. These are already in the compost.

Start the brewer to increase the number of both bacteria and protozoa. The brew time drastically increases the number of both bacteria and protozoa. During the brewing, the bacteria fatten up, but the vortex action keeps the predator (protozoa) away from the prey (the bacteria with the nutrient payload).

The brewer is essentially growing (amplifying) both bacteria and protozoa, but the swirling doesn't allow the carnage.

When you add this mix to the soil, the vortex stops, and the protozoa can now feast on the bacteria, releasing their payload, and the payload is now available for plant use, or re-storage in the humus already in the soil.

This is in contrast to an initial soil inoculation of Lacto-B. Lacto B (the bacteria) are digesters and are great to start of a soil. That's what I start a soil with.

Again my problem with compost brewing is that there's not a thing that your bringing to the table that's new. Every element is already in the compost, and if you simply add plain compost to the soil the exact same thing will happen, albeit more slowly. Compost tea is simply a fast way to dump nutrients into the soil... but those nutrients were already in the soil, or could be by top-dressing with that same fist-full of compost you wanted to start in the brewer.

The seed teas, comfrey teas, etc are completely different, in that they are generally bringing something new to the plant, so that is of interest to me.
 

CashCrops

Well-Known Member
Great info Rrog thanks, and Huel there's a shop called Green Thumb on woodward but they charge for their tea.
 

Huel Perkins

Well-Known Member
Great info Rrog thanks, and Huel there's a shop called Green Thumb on woodward but they charge for their tea.
The shops by me also charge for their tea but they have "Tea Tuesdays" where they give it away free if you bring your own jug. You'd never know it just by walking into the stores, i just see it in all they advertisements in MMMP Report and Metro-Times.
 

Rrog

Well-Known Member
It's for sure gotta be really good stuff. It's a nice product and a nice income stream, as the vortex brewers can get pricey if they're jammin some volume.

I think people who like to brew should absolutely keep on brewin'!! It's all good. Some people like karate, some like kung fu.
 

st0wandgrow

Well-Known Member
Rrog is 100% right (as usual) but here is where I found compost teas very useful ......

When I first started my worm bins I did not have enough castings to go around. Amending several cubic feet of soil, top dressing, etc requires a pretty substantial amount of compost. I decided the best use of my home made worm castings would be an AACT. I purchased a few bags of worm castings from the hydro store but I wasn't sure on the quality, so to make up for that I brewed a bunch of teas with my own worm castings which I knew were full of beneficial microbes. By doing that I was able to stretch my own compost out to use on all of the soil that I had just made.

*If* you have an ample amount of quality compost/vermicompost, then I agree that AACT's are mostly unnecessary. If you're short, or are unsure of the quality of bagged castings, then compost teas can be a great elixir imo.
 

Rrog

Well-Known Member
Absolutely! Bagged castings are often dead. Still excellent nutrients in this bus, but no one's at the wheel. Waking shit up as St0w described is a great idea.
 
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