SpaGuard Chlorinating Concentrate is a granular stabilzed chlorinator that is fast acting and quick dissolving. SpaGuard's unique formula acts as both a sanitizer and an oxidizer, so there's no need for two products. SpaGuard Chlorinating Concentrate can be added directly to your spa water, and there is no predissolving needed.
2lb bottle.
This product uses the same active ingredients as FROG's Jump Start Packets.