24 thoughts on “How to make soil blocks

  1. you know this can be done without buying anything right?
    everyone take what ever you got around,and make your own soil blocks,dont buy anything.
    but this is an awesome idea,i will try this

  2. Lime provides Calcium and Magnesium in the proper ratio, and also increases the pH of the mix. Coco Coir has a high pH, is high in Potassium, and has a tendency to hold salts (and thus take the pH ever higher). Unless your mix is quite acidic, it would be best to use Gypsum as a Calcium source (which doesn’t raise pH), and then simply supplement the Magnesium with regular fertilization.

  3. I enjoy watching your video’s and have subscribed to your channel :)
    Keep up the good work!

  4. Ok I went to your webpage but didn’t find any help. I bought these soil blockers back last winter, and I HATED them all this year. Even when I follow the manufacturers “recipe” they are brittle, exceptionally fragile, and the roots always went out all over the place. Any ideas why?

  5. It’s important that you know we don’t sell these products and have no relationship with manufacturer. As such we do not know the manufacturer’s recommended recopies. Ours is in the video. Experiment by replacing coir with peat moss. If the blocks fall apart when you make them, try a denser mixture by using less water and pressing the soil into the blocker tightly. Depending on the seeds, they can last in the blocks 2 to 4 weeks. Once the roots show you must size them up or plant outside,

  6. This video is the best as of I seen so far on the seed starting with the soil blocker maker
    I seen this maker before I know it is more time con-summing, but it works better, I myself an starting a garden this spring of 2013 this will be my testing year after i started looking. I will be using the SQ.ft way on growing my Veg’s.

  7. I know greensand is in the recipes you see for soil blocks, but it’s a waste. It takes years for the potassium in greensand to become fully available to plants, and in the time that seedlings are in soil blocks, you’ll get effectively nothing. If you put greensand in your garden soil, you shouldn’t even expect to get any potassium out of it the first growing season.

  8. The biggest problem I have had with making soil blocks (and apparently others out here have as well) is that they crumble apart. I use Coir pellets that expand with water, and have a nice compostable mesh netting around them – much easier, less messy, and hey – it works.

  9. Fantastic video! I’ve seen mold makers before but very cumbersome. Yours look easy to work, but on consideration, I think I will make my own with pvc pipe.
    Thank you for sharing your ingredients, thought they were great, except for the green sand as JonFrum said will not release the potassium, so can’t we get liquid potassium which should do it – I’ll investigate.
    Very tasteful music accompanying your excellent vid I might add.
    Thank you very much.

  10. To make a comment on the use of coir, coir has a very large carbon footprint because of the huge shipping distances, especially to those in north America. Eliot Coleman mentions that peat isn’t the dwindling resource we think it is. We harvest about 1% of the economically available peat sources in north America, and more bogs are produced than we can harvest. I haven’t double checked his research, but he’s usually pretty thorough. Anyway, just thought I’d throw that in. Thanks for your video.

  11. Either way, there’s going to be a carbon footprint as both coir and peat is shipped. I guess it would be up to the individual. Do they want to use a resource that’s harvested directly from the land or use something that would otherwise end up in a landfill.

  12. Soil block molds are available from Lee Valley Tools (and probably elsewhere…check your local garden stores first )

  13. ‘Soil Block Molds’ are available from Lee Valley tools, although you should check with your local garden stores first, and shop locally.

  14. Ladies, you were the first ‘Soil Block’ video i ever watched and since I have made hundreds and hundreds of soil blocks down here on my Laguna Beach urban farm. Such an epic way to germinate and transplant. hope you both are doing well today. thank you and god Bless you both for your time.

  15. shouldn’t use fertilizer with seedlings.

    And the problem with peat moss is bad for the soil because it breaks down in the soil and burns the roots!

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