Pool Surface Blistering

Pool surface blistering refers to the formation of raised bubbles or bumps on a pool's plaster or fiberglass surface, often caused by water pressure or material defects.

Causes of Pool Surface Blistering

  • Poor application or curing of pool plaster.
  • Water seeping between the layers of a fiberglass pool.
  • Chemical imbalances that weaken surface materials.

How to Prevent and Treat Pool Surface Blistering

  • Maintain balanced pool chemistry to protect surfaces.
  • Use a high-quality plaster or fiberglass finish.
  • Consider resurfacing if blisters become widespread.

Related Terms

  • pH – A measure of how acidic or basic the pool water is.
  • Scale Formation – A buildup of calcium and minerals on pool surfaces and equipment.
  • Calcium Hardness – The level of dissolved calcium in pool water.

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