Orenda Technologies ORE-50-136 55 gal CV600 Catalytic Enzyme Water Cleaner Drum. CV-600 Catalytic Enzyme Water Cleaner Concentrate is a unique, stabilized liquid pre-formed enzyme system that effectively catalyzes the bio-oxidation of organic contaminants commonly found in pools, spas and other recreational water systems. Routine application of CV-600 will positively maintain water clarity, prevent organic contamination of water, and permit design chlorine production from salt water chlorine generators.