Description
Secret Feeds Biochar 2 Litre is a carbon-rich soil booster that can improve soil structure, water retention, drainage and aeration.
Secret Feeds Biochar 2 Litre is a premium soil booster. Biochar is a carbon-rich soil amendment that can improve soil structure, water retention, drainage and aeration, while providing habitat for beneficial soil microbes.
It enhances soil and can be mixed into compost and growing media, or used as a soil improver in garden beds, planters and borders. Each 2 litres pack treats approximately 38 litres of soil when mixed at 1 part biochar to 19 parts soil. Made in Britain.
Key benefits
- Improves soil structure – helps improve soil structure, aeration and drainage.
- Increases water retention – can help soils retain water and nutrients.
- Supports beneficial microbes – porous biochar can provide habitat for beneficial soil microorganisms.
- Long lasting – biochar is highly stable and can persist in soil for very long periods.
Biochar 2 Litre at a glance
Supplied in a brown kraft stand-up heat-seal pouch with the Secret Feeds label applied.
| Product | Biochar |
|---|---|
| Size | 2 Litre |
| Category | Granular Media |
| Mixing ratio | 1 part biochar with 19 parts soil |
| Treats | Approximately 38 litres of soil |
| Format | Brown kraft stand-up heat-seal pouch |
| Origin | Made in Britain |
How to use Biochar 2 Litre
Mix 1 part biochar with 19 parts soil and incorporate thoroughly. Every 2 litres of biochar treats approximately 38 litres of soil.
Mix thoroughly into soil or growing media according to the recommended application rate. For best results, consider the needs of the soil and plants.
As a growing media additive, mix into compost or growing media according to the requirements of the plant and growing medium. As a soil improver, use it to improve soil structure, aeration and drainage in garden beds, planters and borders.
Treatment guide
| Biochar | Soil treated (approx.) |
|---|---|
| 2 litres | 38 litres |
| 5 litres | 95 litres |
| 10 litres | 190 litres |
| 20 litres | 380 litres |
Ideal for
- Seeds
- Cuttings
- Potting mixes
- Containers
- Seed trays
- Propagation
- Garden beds, planters and borders (as a soil improver)
For general growing advice, see the RHS guide Biochar.
Biochar 2 Litre FAQ
How much soil does Secret Feeds Biochar 2 Litre treat?
Every 2 litres of biochar treats approximately 38 litres of soil, mixed at 1 part biochar to 19 parts soil.
What is biochar?
Biochar is a carbon-rich soil amendment. Its porous structure can provide habitat for beneficial soil microbes, and it can improve soil structure, water retention, drainage and aeration.
How long does biochar last in the soil?
Biochar is highly stable and can persist in soil for very long periods.










