ST. Cyr Alkalinity Increase 5lbs toys and low-maintenance with the Jandy

and low-maintenance with the Jandy TruClear Cell Replacement

Material: Canadian Hemlock

Pre-filled cartridges mean no measuring or mess—just drop in and relax

Compatibility: Designed for Hayward SP1085 in-ground skimmer kits

ST. Cyr Alkalinity Increase 5lbs toys and low-maintenance with the JandyST. Cyr Alkalinity Increase 5lbs (No Returns On Chemicals) St. Cyr Alkalinity Increase 5lbs is a granular product used to raise total alkalinity in spa or hot tub water, stabilizing pH levels, preventing corrosion, and ensuring comfortable, balanced water for soaking. Its active ingredient is typically sodium bicarbonate, which provides precise control over alkalinity without introducing unwanted additives. Key Features and Benefits Raises total