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SF60 Super Compost Soil Improver (bulk orders)

  • Product Code: SF60bulk
  • Availability: In Stock

Available Options

Welcome to our Trade page for the bulk bags (1m3) and full pallet load purchases. 

Our trade prices are listed ex VAT and delivery. Please contact us for quotes and proforma invoices.

If you are interested in manufacturing SF60 under license using our patent-pending process, please contact us by email/telephone. The section below covers the core product details.

SoilFixer SF60 Super Compost (soil improver)

Made in the UK using our propriety composting process and humification agent. It contains high levels of colloidal humus, biochar and plant macro and micronutrients.  

Ready to use by gardeners and allotment growers who want to improve their soils and container growth mixes to the best they can be.

In our SF60 tests, we have seen an increase in plant and crop growth of 100% over the control soil. All plant growth testing is complex and it takes many test replications over a number of years before the average increase can be quoted. We believe most users can conservatively achieve a +20% increase.

How does SF60 work

The biochar/colloidal humus matrix acts as ‘sponge’ for water and essential nutrients – storing them ready for use. The ‘sponge’ matrix supports increased levels of soil microbes. The microbes (notably mycorrhizal fungi) can access the stored nutrients. They form symbiotic relationships with plant roots and supply nutrients to the roots. This leads to improved plant growth’. (More detail at our SF60 FAQ blog)

Pack sizes

  • 10 Kg sacks packed on pallet 
  • 1m3 bulk bags (approx 700 Kg)

Application rates

Target 2-5 t/ha (~4-10% by volume) , min. 0.5 t/ha (1%), max 10 t/ha (20% by volume).

The biochar and colloidal humus in the SF60 product remains in soil year after year. You can top-up and build towards 20% target by adding a bit more each year. 

How to use SF60

Dig (or hoe) into the soil at a depth of 5-10 cm.


Store in a cool dry place. 

SoilFixer SF60 is used to improve your soil to the best it can be. This improvement in soil fertility water, nutrient management and tilth results in better plants, vegetables and crops - and all in a sustainable manner.

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