Our Superfines Pine Bark is usually a chocolate brown to dark brown in colour. The particle sizes range from sawdust to 3mm and is achieved from the screening of hammer milled pine bark. This composted product is the key ingredient in potting mixes and garden bed mulches. It is also useful as clay breaker, soil builder and for top dressing garden mulch. Superfines Pine Bark will quickly adopt a soil like appearance. It usually exhibits a ph of 5.5.