DuralChlor Alkalinity Increaser - 25 Pounds nature-2-express-parts (2) 59-1/2" x 2

(2) 59-1/2" x 2

PoolRx Mineral Purifier - Blue Unit

Economy filter manufacturers typically use a plastic center core with square holes that can create a build-up of stress at 90 degree angles resulting in cracking and eventual collapse of the center core and cartridge

It is made of fiberglass reinforced polyproplyene for superior strength and longevity

DuralChlor Alkalinity Increaser - 25 Pounds nature-2-express-parts (2) 59-1/2" x 2DuralChlor Alkalinity Increaser This product is used for increasing the total alkalinity of swimming pool water. The Ideal total alkalinity level helps to control pH fluctuations in pool water. Total Alkalinity should be maintained between 80 and 120 parts per million. Features: Increases Alkalinity in swimming pool water Helps control pH fluctuations Powdered formula Size: 25 Pounds Directions for use: Add 1. 4 Pounds (1. 75 cups) for every 10,000