Step 3: Let it Brew

Roger Cook collects freshly brewed compost tea
Photo: Kindra Clineff
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Connect the barrel to the downspout. Using a stainless-steel hose clamp, secure the aerator to the end of the tubing coming out of the barrel. Once the barrel is full of rainwater, run the aerator for at least 24 hours. (If using tap water, aerate for 20 minutes before adding compost.) Leave the aerator on whenever there's tea in the barrel, to keep the bacteria alive.
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    Tools List

    • drill
      Drill (or drill/driver)
    • 3/8-inch spade bit
      -inch spade bit
    • 3/16-inch drill bit
      3/16 drill bit
    • pump sprayer
      Pump sprayer (for applying the compost tea)

    Shopping List

    1. -inch irrigation tubing
    (approximately 10 feet)

    2. 55-gallon rain barrel

    3. Nylon mesh bag or cheeseclothTea ingredients:

    4. Aged compost

    5. Molasses

    6. Liquid kelp Available through Neptune's Harvest

    7. Fish hydrolysate Available through Neptune's Harvest