BuildASoil Modern Mix V2.0 Complete Soil Building Kit

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Based on 8 ratings




This kit includes the proper amounts of nutrients and minerals to Build Soil from scratch using standard size Sphagnum Peatmoss Bales. 

Please note that due to the weight of this product it is always shipped USPS.

FREE SHIPPING on all Modern Mix V2.0!

Selecting the Right Nutrient Kit: 
2.2 CF Bale Kit
Mix into a 2.2 CF Bale of Peat Moss plus 3 Cubic Feet of Compost and 3 Cubic Feet of Aeration. 

3.0 CF Bale Kit
Mix into a 3.0 CF Bale of Peat Moss plus 4.67 Cubic feet of Compost and 4.67 Cubic feet of Aeration. (Most people will round up or down to the nearest Cubic Foot) 

3.8 CF Bale Kit
Mix into 3.8 CF Bale of Peat Moss plus 6 Cubic Feet of Compost and 6 Cubic Feet of Aeration. 
Mix and then let sit for 1-2 weeks before planting.

 Building your own soil? This is our preferred method... 

Want to learn more about Building soil? Check out this blog article: Building Soil Article

What you'll be getting in the Kit:

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(Use at 2 Cups Per cubic foot of soil or about 4 Tablespoon per gallon of soil)

1. Crustacean Meal - Crab and Shrimp

2. Kelp Meal - Thorvin Brand Ascophyllum Nodosum

3. Neem Cake/Karanja Cake - 70/30 Premium Organic Neem Cake Imported from India (West Coast Horticulture or Neem Resource)

4. Insect Frass

5. Fish Bone Meal 

(Use at 4 Cups Per Cubic foot of soil or about 1/2 Cup per gallon of soil)

1. BuildASoil Basalt - Our Favorite Rock Dust for trace minerals. Highly paramagnetic.

2. Gypsum Flour Pellets - Calcium and Sulfur

3. Oyster Shell Flour - Calcium Carbonate - Adds available calcium and limes the Peat moss.

4. Glacial Rock Dust

5. BuildASoil Premium Montomorillonite

We separate the two so that the natural moisture in the rock dust doesn't effect the raw nutrients. Dump all the material into your soil for the proper mineral and nutrient balance.  

What You'll Need To Get To Finish The Recipe: 

To finish this recipe you will need equal parts of the below,

1 Part Canadian Sphagnum Peat Moss: Available in 2.2 Cubic Foot Bales, 3.0 Cubic Foot Bales and 3.8 Cubic Foot Bales at Home Depot and most gardening stores. Notice: The 2.2 Bale will fluff up to about 3.0 Cubic Feet, the 3.0 Bale will fluff up to about 4.67 Cubic Feet (Most people will round up or down to the nearest Cubic Foot) and the 3.8 Bale will fluff to about 6 Cubic Feet.

1 Part High Quality Compost or Worm Castings:Search for local compost or castings on craigslist or order some here on our website. 

1 Part Aeration Amendment: Something to aerate the soil like perlite does in normal potting mix. We like to use Pumice and Rice hulls but you can use whatever is available to you including perlite, rice hulls, lava rock, pumice etc.

You'll notice there isn't any High P ingredient like Soft Rock Phosphate and after speaking with Coot about this I realized a few things. This Kit has many ingredients that contain Phosphorous at normal levels which will not be harmful to Mycorrhizal fungi. High P amendments can have a negative effect on the soil Mycorrhizal life, for this reason Coot recommends using this recipe.


Why re-invent the wheel? This proven mix is simple.

If you intend on using sphagnum peat moss then this kit is perfect for you. With the low PH of peat moss this kit comes with oyster flour to add lots of calcium and also help raise the ph to proper levels.

If you would like Build A Soil with another base like, Bagged Potting Soil, Pro-Mix, Sunshine Mix or even Coconut Coir then you'll want to check out our other products.

Why is this Nutrient Kit So important?

"A wonderful thing about a balanced, mineralized soil based on the soil's exchange capacity is that everything else becomes easier. The soil pH self-adjusts to its optimum, plant disease and insect problems largely disappear, water retention, drainage, soil texture, and rate of decay of organic matter all become self-regulating and automatic, weather permitting. The grower knows that the nutrients are in the crop because the nutrients are available in the soil. The soil life is active and healthy and helping to make these nutrients available, and the plants growing on this ideal soil have free-choice of any nutrient they want, in balance, a balance designed by intelligent science and observation."

- Michael Astera

Use at 1.5 Cups Per cubic foot of soil or about 3 Tablespoon per gallon of soil

Use at 4 Cups Per Cubic foot of soil or about 1/2 Cup per gallon of soil

All Kits will ship in USPS flat rate boxes. If USPS does not work for you please call us at 855-877-7645