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    $3.15 $3.50 -10%
    New

    One cup of Terra Preta™ BioChar sample size. Treats between 10 and 20 cups of soil. Perfect for testing and experiments. Pre-Inoculated with ‘worm tea’ and molasses: Mix with soil directly from the bag. 

    $3.15 $3.50 -10%
    Reduced price!
    In Stock
  • Quick view
    $14.36 $15.95 -10%
    New

    One cubic gallon of Terra Preta™ BioChar is a perfect size for transplanting projects, indoor plantings, seed starting and small garden projects. Treats between .75 and 1.5 cubic feet of soil (one to two standard bags of topsoil) Pre-Inoculated with ‘worm tea’ and molasses: Mix with soil directly from the bag. 

    $14.36 $15.95 -10%
    Reduced price!
    In Stock
  • Quick view
    $40.46 $44.95 -10%
    New

    One Cubic Foot of Terra Preta™ BioChar is the perfect size for a small garden or large indoor planting project. Makes between 10 and 20 cubic feet of ‘terra preta’ black earth soil. Large garden can be treated by using in planting rows. Pre-Inoculated with ‘worm tea’ and molasses: Mix with soil directly from the bag. 

    $40.46 $44.95 -10%
    Reduced price!
    In Stock
  • Quick view
    $34.16 $37.95 -10%
    New

    One Cubic Foot of Terra Preta™ BioChar is the perfect size for a small garden or large indoor planting project. Makes between 10 and 20 cubic feet of ‘terra preta’ black earth soil. Large garden can be treated by using in planting rows. Not Inoculated: For best results, mix with compost or other source of soil nutrients for up to two weeks before use to...

    $34.16 $37.95 -10%
    Reduced price!
    In Stock
  • Quick view
    $11.66 $12.95 -10%
    New

    One cubic gallon of ecoGeeks, Terra Preta™ biochar is a perfect size for transplanting projects, indoor plantings, seed starting and small garden projects. Treats between .75 and 1.5 cubic feet of soil (one to two standard bags of topsoil) Not Inoculated: For best results, mix with compost or other source of soil nutrients for up to two weeks before use...

    $11.66 $12.95 -10%
    Reduced price!
    In Stock

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Our team

Mick Wynhoff founded ecoGeeks.com in 2004, primarily to provide help and advice to parents, pet owners and ecoGeeks who were looking to remove dangerous chemicals from their everyday lives.

ecoGeeks.com Family-Owned Business

Mick - The Bird - Beastie - Doo'Ya

While Mick served as the President and CEO of what was at the time the fastest growing public company in Wisconsin, he worked to develop most of the products that are represented on this site. The EcoGirls star in numerous videos about our products which are available at our YouTube page.

Partners Who Make it Work:

Maripat Valentine: Gets your stuff shipped FAST and answers all your questions until you're satisfied. Maripat has solid advice on pretty much anything eco-living related.

John Acheson: Makes all that data stuff move around in the right direction. They used to call them 'web masters,' but he figured that was too hoity toity.

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