Welcome to the BioCastle homepage, an environmental biotechnology company that is developing and marketing a novel technology: The SBP (Small Bioreactor Platform) technology. The SBP technology is used to treat water (contaminated ground water, reservoirs, and rivers), wastewater (domestic and industrial), aquaculture contaminated process water and contaminated soil. We have the capability to bio-engineer the client plant environment in order to achieve up to 20% process yield increases, without altering the infrastructure.