Mighty Fire Breaker manufactures MFB -31 Citrotech®. MFB-31 CITROTECH® Wildfire Inhibitor enjoys EPA Safer Choice Certification, UL GreenGuard® Gold Certification, and California Proposition 65 Certification - the highest safety ratings available in the USA and the world for consumer and industrial products. These accreditations assure you it’s safe around fish, humans and animals because it does not hurt the environment.