5L fine charcoal as a supplement in the soil mix

Charcoal is a commonly used soil additive in Japan. 5L bag. Rich in potassium, it's good for soil life and helps boost bonsai's resilience. Mix 2 to 5 percent into the soil mix.

Charcoal is a commonly used soil supplement in Japan. Rich in potassium, it's good for soil life and helps boost bonsai's resilience. It also purifies the soil. Mix 2 to 5 percent of it into the soil mix.