
Pool algae removal in Bali is a service frequently needed due to the island's warm, humid climate that accelerates algae growth year-round. Algae in swimming pools comes in several forms — green algae (the most common, causing water to turn green), black algae (appearing as dark spots on pool surfaces, very resistant to treatment), and mustard algae (yellowish patches, often mistaken for dirt). Each type requires a specific approach for effective removal and prevention. Green algae removal is the most straightforward of the three types. The process involves super-chlorination (shock treatment) with stabilized granular chlorine at 3–5 times the normal dose, continuous filtration, algaecide addition to prevent regrowth, and thorough brushing of all pool surfaces to break up algae colonies. The entire process typically takes 3–5 days for complete remediation, after which the pool water should be clear and all parameters back in the safe range. Black algae removal is significantly more challenging because black algae form a protective layer over their colonies that makes them resistant to normal chlorine levels. Effective treatment requires aggressive brushing with a steel-bristled algae brush to break through this protective coating, followed by direct application of high-concentration trichlor tablets or granular chlorine directly to the affected spots. Multiple treatments over 1–2 weeks may be needed for severe infestations, and the pool surface may require professional resurfacing if the algae has penetrated the plaster. Prevention is always better than cure when it comes to pool algae in Bali. Maintaining proper chlorine levels (1–3 ppm), balancing pH weekly, running the filtration system for adequate hours daily, brushing pool surfaces regularly, and adding a maintenance dose of algaecide monthly significantly reduce the risk of algae problems. Surya Jaya Teknik provides professional algae removal services for pools across Bali. Contact us for a rapid response and effective algae treatment.