Thank you for trusting us with the care of your pool. When stubborn waterline stains do not respond to chemical treatments, sand or bead blasting is the most effective and professional solution. This guide explains the process step by step, so you know exactly what to expect and why this method delivers excellent results.
Why Sand / Bead Blasting?
Over time, minerals, metals, oils, and organic buildup can bond to the pool’s waterline surface. When these stains become embedded, traditional spot treatments may no longer work.
Sand or bead blasting is a controlled mechanical cleaning process that safely removes these deposits, restoring the original appearance of the tile or surface.
Step-by-Step Process
1. Lowering the Water Level
We begin by lowering the pool water just below the waterline.
- This exposes the stained area fully
- Allows precise and consistent cleaning
2. Sand / Bead Blasting the Waterline
Using specialized equipment, we gently blast the waterline with a fine abrasive media (sand or glass bead, depending on the surface).
- Removes mineral scale, metal stains, and buildup
- Restores the natural finish of tile or surface
- Controlled pressure ensures safety for the pool surface
This method is highly effective and widely considered the best solution for severe or long-term waterline staining.
3. Waterline Sealant Application
After the waterline has been thoroughly cleaned, we apply a professional-grade sealant to the freshly blasted surface.
- Creates a protective barrier against minerals, metals, and oils
- Helps slow the return of future staining
- Makes routine cleaning easier and more effective
- Extends the life of the restored waterline appearance
This sealant is specifically designed for pool environments and works best when applied immediately after blasting, ensuring maximum adhesion and protection.
4. Refilling the Pool
Once the blasting is complete, we refill the pool to its normal operating level.
5. Vacuuming and Debris Removal
After refilling, we thoroughly vacuum the pool with an external pump.
- Removes fine debris created during the blasting process
- Ensures particles do not settle or reattach to surfaces
- Helps protect your circulation system
6. Water Chemistry Rebalancing
Finally, we test and rebalance the pool water.
- Adjusts pH, alkalinity, and sanitizer levels
- Leaves the pool safe, clear, and swim-ready
Proper water balance helps extend the life of the clean waterline and prevents future staining
What You’ll Notice Afterward
- A cleaner, brighter waterline
- Improved overall appearance of the pool
- Balanced water
Most customers are amazed at how much better their pool looks after this service.
If you have any questions or concerns