Natural Chemistry Pro Series Extra Strength Clarifier, 1 gal Bottle | 20311PRO Motors If your documentation shows part

If your documentation shows part number 18219RO100 (with a letter O)

Some compatible spa models use only a single cartridge — if your system has one housing

Waterway Plastics Skim Filter 817-5010 Beachcomber — 3005825 Marquis Spas — — System utilizes a single cartridge

Used for Spa Startup to create a Bromine Reserve

50øC Ambient

Natural Chemistry Pro Series Extra Strength Clarifier, 1 gal Bottle | 20311PRO Motors If your documentation shows partSize: 1 gal Bottle *Natural Clarifier Extra Strength Clarifier PRO SERIES Extra Strength Clarifier is a clarifier made from the recycled shells of crabs and various sea life. Crabs and other crustaceans have a product in their shells called chitosan that attracts small particles of debris in water. Use to effectively and quickly clear problem water or to polish dull water by removing small suspended particles. PRO SERIES Extra Strength Clarifier is