aquafinesse spaclean tabletthe first step when starting with the aquafinesse hot water care system.a powerful hot tub purge that loosens and lifts up biofilm, slime, grime, debris and calcium that have built up over time in the spa plumbing, equipment and fittings.perfect for:deep cleaning the interior and pipe work of your spa during the 3 monthly water change over.also ideal for use when treating a new spa.thoroughly cleaning your spa from the inside out!