FROG® Maintain 16 oz | Bulk Non-Chlorine Shock Type_Gas Line Kit It's the fastest way to

It's the fastest way to turn dull

Add jets and heal and restore

With alkalinity in range

BioGuard Erase Iron Stain Remover is specifically formulated to combat iron-based stains

FROG® Maintain 16 oz | Bulk Non-Chlorine Shock Type_Gas Line Kit It's the fastest way toFROG Maintain 16 oz. is the bulk container version of FROG's non chlorine maintenance shock. Same chemistry, same use case, and same 15 minute reentry as the single pouch 2 oz version just packaged as a value size container that gives you roughly eight shock doses for a standard 250 gallon hot tub instead of one. The 16 oz container is the smarter buy if you actually use FROG Maintain on the recommended schedule. Most spa owners shock monthly, plus