Charge before use
For experienced growers who want to charge their own
Raw Biochar Soil Improver
Untreated biochar to prepare your way
Raw, uncharged biochar designed for growers who want full control. Charge it with compost, manure tea or another nutrient-rich input before use for the best results.
£8.99
Raw Biochar is untreated and uncharged, giving experienced growers the flexibility to load it with their own compost, manure tea, liquid feed or other nutrient-rich inputs. Charge it before adding it to soil for the best results.
- Uncharged and untreated
- Designed for growers who want to charge their own
- Flexible preparation using your preferred nutrient source
- A long-term investment in soil structure and resilience
- Mix with compost, manure tea or another nutrient-rich material
- Allow 7-14 days for the biochar to absorb nutrients and biology
- Once charged, mix evenly into soil or growing media at 5-10% by volume
Made from locally sourced windfall and waste timber, processed with rainwater on our South Wales hill farm.
Raw Biochar Soil Improver
2.5 Litre · £8.99
Prepare it your way
Charge · Mix · Grow
Charge
Combine with compost, manure tea or another nutrient-rich input for 7-14 days.
Mix
Blend the charged biochar evenly through soil or growing media at 5-10% by volume.
Grow
Plant as normal and let the stable porous structure support the soil for years.
How much do I need?
A simple guide - biochar goes further than you'd think.
Pots & containers
10% by volume
~1L treats a large 10L pot
Raised beds
5-10% by volume
A 10L bag covers ~1m2 bed, 10cm deep
Garden beds
5% by volume
Work lightly into the topsoil
Lawns & turf
Top-dress thinly
Rake in and water well
The science, made simple
See how biochar is made and how it works in your soil - in pictures.
Pairs well with
Wood Vinegar
A natural solution for healthier plants, soil & garden
Questions about Raw Biochar Soil Improver
Do I need to charge Raw Biochar?
Yes. Charge it before mixing it directly into soil for the best results, so its pores are already holding nutrients and biology.
How do I charge Raw Biochar?
Mix it with compost, manure tea, liquid fertiliser or another nutrient-rich input and allow approximately 7-14 days before use.
Who is Raw Biochar for?
It is best for experienced or hands-on growers who want to prepare biochar using their own preferred inputs. Choose Charged Biochar for the easiest ready-to-use option.
