BLUE MAGIC is an all-purpose, non-seizing, industrial-grade thread sealing compound that produces a leakproof seal on all types of plastic and metal threaded connections. BLUE MAGIC is a smooth, grit-free, completely homogenized, blue industrial grade paste. BLUE MAGIC will not transfer any taste or odor to the system being sealed. Excellent for food and water systems. BLUE MAGIC will never harden and is an anti-galling compound making it possible to disassemble pipes and bolts easily after years of service.