1,000 Year Mulch Biochar is high-quality biochar made from wood-waste using Organilock’s carbon-negative processing system. It’s a byproduct of processing their soil products, and is pure sequestered carbon. Use 1,000 Year Mulch as a thin layer of mulch in your container gardens and houseplant pots to regulate soil humidity and help deter soil gnats. Do you compost? You can also use 1,000 Year Mulch as an additive to your compost scraps to minimize odors and create a more fertile compost. Keep calm and sequester more carbon, friends. Grow better with Organilock!