A3. Kind of chemicals takes long time to be degraded by microbes or no longer to degraded. However, there are some biological cycle have an impact on aquatic life and water quality. Seriously destructive to the environment and ecology. BioTech Oil and Fat Dispersion with 97% Biodegradable at the 8th days, balance will be gone within 3 weeks. Pollution-free , eco-friendly and food safety!