Stain Drop 2

Stain Drop (Grand Rapids, MI) has introduced its new and Improved Stain Drop No. 2, a specialty acid-based treatment designed to eradicate scale from pool surfaces. Treatments often are quick but can take up to ten days.  Stain Drop No. 2 is formulated to be a better alternative to the time needed to prepare the pool for extensive brushing by hand, the company says.      Read more