Description
- 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: 3,500 RPM with variable-speed polisher/sander
Not sure which grit is right? See the Pool Plaster Disc Grit Guide. To view all discs & accessories, visit the Pool Plaster Disc Collection.
Specifications
| Disc Diameter | 7″ (hook & loop) |
|---|---|
| Backer Pad | 7″ Hook & Loop Backer (AG7529) |
| Grit | 50 (coarse cut) |
| Use | Dry recommended (wet requires water-fed tool) |
| Max RPM | 3,500 |
| 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 3,500 RPM
- Always use with 7″ hook & loop backer (AG7529) for even wear
Recommended Process
- 50 Grit — remove heavy scale / roughness (this product)
- 70 Grit — blend & refine scratch pattern
- 120 Grit — final smoothing; swim-ready finish
See full steps in the Pool Plaster Disc Grit Guide.
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.
⚠️ Safety: Keep RPM ≤ 3,500. Avoid overheating. Always use GFCI protection and proper PPE.
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.
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