Orchiata Premium Orchid Bark 6 lbs Super 3/4-1'' (Repackaged) a unique, stable substrate designed to be used straight from the bag for potting and re-potting orchids 100% pure New Zealand Pinus radiata bark, sourced from renewable, growers have reported that frequent re-potting is not necessary, as potted plants have been known to remain in excellent condition in excess of 10 years. leaves behind beneficial micro-organisms to create a high-quality, long lasting, consistent growing substrate. Super 3/4-1 inch