SeaKlear 90411SKR is a highconcentration liquid algaecide that delivers a trusted 90day algae prevention guarantee when used properly in balanced pool water. This formula is effective against green, bluegreen, black, yellow, and mustard algae, and offers reliable protection with only quarterly application.
Key Features:
One dose provides up to 90 days of algae prevention and removal
Effective against a variety of algae types including mustard, black, and bluegreen
Nonfoaming and nonstaining formula when used as directed
Economical and efficient lowdose copper complex technology
Ideal for spring startup, winterizing, or vacation pool maintenance
Technical Specifications:
Manufacturer: SeaKlear (BioLab Inc.)
Part Number / SKU: 90411SKR
Container Size: 32floz (946mL)
Active Ingredient: Copper sulfate pentahydrate (~11.8%; ~3% elemental copper) :contentReference[oaicite:7]{index=7}
Form: Blue liquid algaecide
Directions for Use:
Maintain pool chemistry: pH7.27.8, total alkalinity 80120ppm; adjust to pH 7.2 in severe algae conditions
Ensure proper filtration and brush pool surfaces prior to dosing
Routine maintenance dose: 16floz per 10,000gal every three months
Severe algae treatment: 32floz per 10,000gal of water
Add product near a return jet and dilute when treating plaster pools
Keep sanitizer levels adequate (e.g. chlorine) during treatment
Benefits:
Reduces algae outbreaks and limits manual intervention over the swimming season
Helps maintain clear, sparkling water with fewer treatments
Safe for most pool surfaces when used as directed
Low dosage means long-lasting value in a compact bottle
Storage Tip: Keep bottle sealed in a cool, dry area. Always follow safety directions and label instructions when dosing.
