Marquis® Alkalinity Increaser 1 lb.


Raise Alkalinity to maintain a buffer and prevent pH bounce.
Keep Alkalinity between 80-140 ppm.
1 lb.

In stock


  • We deliver to the following zip codes: 85212, 85209, 85140 and 85142
  • AZ Spas and Patio hand delivers to your doorstep Monday-Friday. Same-day delivery if ordered PRIOR to 10AM
  • A $3.99 delivery fee applies to all orders under $50