BuildASoil Oyster Shell Flour Container Size:4 lbs. Warning: Do NOT use at

Warning: Do NOT use at the same time as other PK based additives

ETL Certified

or alcohol solvents to worry about…and no explosions either

Sprinkle mummies into a thin layer in release boxes that are shaded from direct sunlight

means you get one of the purest

BuildASoil Oyster Shell Flour Container Size:4 lbs. Warning: Do NOT use atOyster Shell Flour is a high quality soil conditioner that consists of 96% calcium carbonate and many micronutrients, Oyster Shell Flour provides a long lasting, steady release of nutrients to help regulate pH levels, improves fertilizer uptake, promotes healthy cellular structure and enhances soil tilth. Oyster Shell is also helpful in creating more active habitats for soil microbes in compost piles and worm bins. For soil building or top dressing,