Cobalt - The Other Black Spot

Ask a question here In this episode of Talking Pools, the hosts discuss the challenges and solutions related to older fiberglass pools, particularly focusing on the issue of black spot. They explore the causes of black spot, the evolution of fiberglass pool technology, and the importance of proper maintenance and treatment. The conversation also touches on insurance claims related to pool damage and the integrity of professionals in the industry. The episode concludes with an invitation for listener engagement and topic suggestions. takeaways Black spot in fiberglass pools is not the same as black spot algae. Cobalt was historically used in fiberglass resins, leading to staining issues. Modern fiberglass pools have improved resistance to osmosis and staining. Treatment for black spot includes lowering pH and using oxalic acid. Gel coat repairs can be done underwater but may not match the original color. Older fiberglass pools often show signs of wear and require resurfacing. Insurance claims for pool damage can be complicated and require integrity from professionals. Proper maintenance is crucial for the longevity of fiberglass pools. The evolution of fiberglass technology has reduced common issues in newer pools. Listener engagement is encouraged for future topics. Sound Bites "Cobalt was used as a setting agent." "Things wear out over time." "We might have some use." Chapters 00:00 Introduction and Weather Talk 02:20 Understanding Osmosis and Black Spot in Fiberglass Pools 11:56 Advancements in Fiberglass Pool Technology 15:20 Dealing with Stains and Maintenance Challenges 26:31 Conclusion and Listener Engagement Support the show Thank you so much for listening! You can find us on social media: Facebook Instagram Tik Tok Email us: [email protected]