Restore pool and spa surfaces with the Project Source Pumice Block, designed to tackle tough rust, calcium, hard water, mineral, and mildew stains. The durable pumice material helps remove stubborn buildup from ceramic tile, grout, and concrete surfaces, while the floating design makes it easy to retrieve if dropped in the water. Ideal for maintaining a cleaner, more polished appearance around pools and spas.
Powerful Stain Removal – Effectively removes hard water, mineral, rust, calcium, and mildew stains from pool and spa surfaces.
Ideal for Tough Deposits – Abrasive pumice material helps break down stubborn buildup that traditional cleaning tools may leave behind.
Multi-Surface Cleaning – Safe for use on ceramic tile, grout, and concrete surfaces to restore a cleaner appearance.
Floating Design – Floats on the water surface for easy retrieval and added convenience during pool and spa maintenance.
Designed for Specific Surfaces – Intended for use on ceramic tile, grout, and concrete; not recommended for vinyl, acrylic, fiberglass, wood, or chrome surfaces.
