Pool Plaster Disc 50 Grit – Non-Corrosive Surface Refinishing Disc

• Dry Use Recommended — quick setup with any 7″ polisher (wet use may extend life but requires a water-fed tool)
• Aggressive 50 Grit — fast removal of heavy scale & coarse plaster
• Non-Corrosive Matrix — won’t rust; safe for salt-water pools
• Surface Types: Marble, quartz (Diamond Brite), pebble (PebbleSheen), Hydrazzo®, Durazzo®
• Max Speed: 3,000 RPM with variable-speed polisher/sander

Specifications

Disc Diameter 7″ (hook & loop) Backer Pad 7″ Hook & Loop Backer (MA7529) Grit 50 (coarse cut) Use Dry is recommended (wet requires a water-fed tool) Max RPM 3,000 Surface Types Marble, quartz, pebble

How to Use

• Work in ~5 ft × 5 ft sections, keeping the pad flat
• Vacuum or rinse between passes to manage heat & dust
• Do not exceed 3,000 RPM
• Always use with 7″ hook & loop backer (MA7529) for even wear

Recommended Process

1. 50 Grit — remove heavy scale/roughness (this product)
2. 70 Grit — blend & refine scratch pattern
3. 120 Grit — final smoothing; swim-ready finish

Dry vs. Wet

We recommend dry use for most pool resurfacing projects because it’s simple and cost-effective. Any quality 7″ variable-speed polisher with GFCI or cordless works. Wet use can extend disc life, but requires specialized water-fed equipment. Pool Plaster Disc uses Matrix Abrasive bonding technology for controlled correction of pool plaster surfaces in both dry and wet polishing.

Also available in 70 Grit and 120 Grit.

50 Grit Pool Plaster Disc – Dry Polishing & Resurfacing

The 50 grit pool plaster disc is step one in fixing rough plaster and removing scale. Use for dry polishing & resurfacing marble, quartz, and pebble pool finishes. Safe for saltwater systems thanks to a non-corrosive diamond matrix. For best results, follow with 70 grit and 120 grit discs. See the Pool Plaster Disc Grit Guide for details.