Stain removal on any pool surface!
The Blue Stuff from Jack's Magic is the most recommended start-up product in the swimming pool industry for plaster pools. It is very efficient at controlling plaster dust. The proprietary blend removes metals such as copper, iron, and manganese from the water. The Blue Stuff is very stable in high chlorine (even over 10 ppm) levels. The Blue Stuff prevents and removes stains and scale in plaster, vinyl, and fiberglass pools.