BuildASoil Oyster Shell Flour, 40 lb. Flanges For indoor growers using drain-to-waste

For indoor growers using drain-to-waste (DTW) applications: Pre-soak the growing medium prior to applying Myco Jordan as a root drench to prevent leaching of the spores

This package is professionally designed

MoistureLock is a strip of BPA-free waterproof fabric sewn to the inside of the container that provides many benefits

Self-Describing technology for quick

It’s 100% guaranteed to give you rewarding harvests

BuildASoil Oyster Shell Flour, 40 lb. Flanges For indoor growers using drain-to-wasteOyster 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,