HTH Spa 86134 Clear Chlorinating Sanitizer, Spa & Hot Tub Chemical Controls Bacteria and Algae, 2.25 lbs Price:  $19.79 (as of 11/05/2023 12:13 PST- Details) & FREE Shipping.

BENEFIT: Rely on this convenient and easy-to-use sanitizer to control algae, kill bacteria, and destroy contaminants so you can get the most out of your spa
IDEAL USE: For sanitizing and shock treating spas and hot tubs; Destroys algae and bacteria; Fast acting and easy to use
CREATES MORE COMFORTABLE WATER: Protects water against chlorine loss for more comfortable water with no sediment