NatureHacker's Organic Actively Aerated Compost Tea Recipe (AACT) for Microbulator and Airlift

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**IMPORTANT: This design is untested and should be considered a 0.1 recipe.  After actually making this I'm sure many changes will be made over time.**

ALSO  IMPORTANT: It appears that aerated compost tea has more extracted but nitrogen is lost (video link near bottom).  Hydrogen peroxide (and likely red light also promotes aerobic vs anaerobic) will combat this but just the aeration process seems to kick a bit of the nitrogen out.  Alfalfa, soybean meal, and cottonseed meal are great Nitrogen sources.  I am adding pea protein powder for a very concentrated protein (nitrogen) source.  The addition of rosemary and lemon peel powder (in addition to h2o2 and red light) should also prevent denitrification, should be tested.  If nitrogen is lost too much even with these precautions, nitrogen (protein) containing ingredients can always be added in the last 24 hours of brewing instead of at the beginning.

This is designed for making a nutritionally complete compost tea base that is to be run in airlift actively aerated compost tea maker like microbulator for up to 2 weeks.  Designed to give a finished product that will never "turn".  Simply run machine for up to 2 weeks (including with deep red light and hydrogen peroxide addition, see future posts), strain through 800 mesh, add a few tbsp of 12.5% hydrogen peroxide, let sit undisturbed 1 day, and bottle (dark) clear top liquid.  After diluting properly for feeding adjust pH to 7.0 using food grade phosphoric acid or preferably unfiltered apple cider vinegar.

The strained and stabilized product (via peroxide addition to prevent anaerobic growth) is designed to be used as a sole nutrient source in an inert growth media hydroponic or aeroponic system.  These systems typically used chemical defined nutrient solution which does not provide everything the plant needs and while growth and fruits may seem big and good, the product lacks quality.  This is designed to change that.

Why not just use compost (worm castings) and molasses like MicrobeMan says? Because MicrobeMan thinks all we care about is microbes which isn't what we want in this case.  In this case we are using the microbes to help extract humates and nutrients to make a full spectrum organic nutrient solution, not as a simple microbial soil additive.  We are using the microbes to extract beneficial nutrients during our run (not in the soil after this is poured onto it) and also using the microbes as a preservative for our final solution to be shelf stable.  Also the microbes provide DNA and RNA which are a hidden and currently unknown essential nutrients for all life.

Optimally run in a Actively Aerated Compost Tea Brewer like mini microbulator found here

1cup worm castings (0.6-0.7-0.2) (N-P-K)
1cup forest humus (0-0-0)
1cup alfalfa meal (2-1-2)
1cup pinto bean compost (~3-~2-~4)
1cup wheat bran (2.4/2.9/1.6)  (best vegan/safe source of phosphorus, also energy source for bacteria)
1/2cup Pea protein powder (basically pure nitrogen)
1/2cup Aspergillus powder (high nitrogen but most importantly vegan Chitin; mushroom powder alt.)
1/2cup Kelp meal (provides iodine and growth factors)
1/4cup Wheat Germ (vitamin E, sunflower is alternative)
1/4cup Brewers yeast (B vitamins esp thiamine, sunflower is alternative)
1/4cup Food Grade Diatomaceous Earth (Dessicant, prevents clumping and spoiling
1/4cup Rock Dust (another dessicant and provides calcium and other minerals)
1Tbsp Citrus Peel Powder (reduce pseudo and Baccilis -denitrification- and add vit C)
1Tbsp Rosemary powder (reduce pseudomonas -denitrification-)
1/2Tbsp Mediterranean Sea Salt (Sodium Source around 0.5%)
1/2Tbsp Dead Sea Salt (Bromine Source)

(possibly neem seed meal 6-1-2)

~8 cups per 3-4 gallon brew (in 5 gal bucket)

shoot for 1200-1600 ppm and dilute as necessary down to min of 100 for seedlings and near zero for flushing and full strength for flowering.

Vol up to 3-4 Gal with chlorine free and fluoride free water, run airlift up to 2 weeks or until EC (electrical conductivity) and pH and TDS stabilizes.  pH should rise during run which is essential to extracting humic acid. strain through 800 mesh, add a few tbsp of 12.5% hydrogen peroxide, let sit undisturbed 1 day, and bottle (dark) clear top liquid.  After diluting properly for feeding adjust pH to 6.5-7.5 (6.5-7.0 if using alkaline substrate outlined below) using food grade phosphoric acid or preferably citric acid or most preferably unfiltered but sterilized (heated) apple cider vinegar (acetic acid is the best energy source besides formic acid), since pH is going to raise the mother in the acetic acid will reactivate so this is why it should be killed before adding.  Why pH down after final dilution?  Because the high pH not only helps preserve the nutrient solution, but also makes sure heavy metals precipitate out of solution and are discarded.

Open Source Boogie Brew also a great recipe (video)

Substrate for roots to grow in:

5cup extracted strained solids of Compost Tea
3cup pumice
2cup nut shells
1cup crushed oyster shell
1cup granulated activated carbon
1/2cup glacial rock dust
1/4 cup greensand

trying to get media dense enough to hold water well especially with water spikes

aspergillus powder

Dead Sea Salt

Mediteranian Sea Salt

Brewers Yeast

Wheat Germ

pea protein 15$/2lb

wheat bran 50$/25lb

alfalfa meal 30$/6.5 lb

forest humus

earthworm casting .6/.7/.2

pinto compost 18$/11lb

kelp meal 20$/3lb

sunflower seed meal 22$/2lb

NPK of everything

Hydrogen peroxide removes heavy metals (cases to precipitate and sink in solution)

Science Paper Aerated compost tea

extracting humic acid from lignite

AACT reduces nitrogen in the compost

organic nitrogen sources

denitrifying bacteria, oxygen slows denitrification

nitrifying bacteria light sensitive blue and uv

nitrification and denitrification

microbe catalyst contains feather meal and alfalfa for high N

co2 increases denitrification

denitrifiers Thiobacillus denitrificans, Micrococcus denitrificans, and some species of Serratia, Pseudomonas, and Achromobacter even bacillis (3rd link below)

pseudomonas essential oils cinnamon and  rosemary and citrus

lemon and rosemary pseudomonas

lemon baccilis

kjedahl nitrogen not largely reduced in AACT

glacial rock dust


crushed oyster shell


pecan shells

granular activated carbon

boogie brew is a good designer too

rosemary herb powder

bitter orange peel powder

organic hydroponic video

Blumat water spikes

PPM meter

humic acid is a pH buffer 5.5-8 max at 6

pH 7-7.5 probably ideal for hydro

sphingomonas denitrifies when oxygen is low or nitrite is present

Pure compost tea media beats pure synthetic media

Where to buy Organic Solution worm castings

deacetylation of chitin is bad for plat immunity

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