Horticultural Charcoal, also known as Biochar consists of the smaller particles or fines of English hardwood species. High in pot ash with a PH value of 8 or 9, the charcoal should be used one part to every 15 of soil approximately.
Gardeners have long been aware of the benefits of adding charcoal to the soil for the following reasons...
Gardener's Biochar holds and delivers nutrients to the soil.
Retains moisture in light soils.
Perfect for hanging baskets & pot plants.
Biochar helps conditions heavy soils.
Excellent mulch or top dressing.
Biochar absorbs inpurities from the soil.
Helps prevents water stagnation in ponds etc.