PREMIUM GRADE: 567 grams; 1.25lbs (1 canister refill), Maximum capacity, assorted bed, pure nuclear grade deionization resin; Produced by LANXESS to the highest level of purity
FRESHNESS GUARANTEED: Sealed in vacuum mylar bags to maintain quality and shelf life
LOWERS TDS TO ZERO: Eliminates TDS residue from RO filtration systems; Produces super clean water
SAFE FOR ALL AQUARIUMS: Generates reliable, clean, super clean water suitable for all freshwater and saltwater aquariums and ponds
NON-COLOR INDICATING: Cost-effective if TDS is already being monitored (more precise)