AquaDoc Liquid Algaecide for Swimming Pools 32 oz - Up to 2,500 Gallons — Open-Box, 5% Off

Stay Ahead of Algae With Weekly Care - AquaDoc Swimming Pool Algaecide helps control and prevent algae growth in small above ground pools when used as directed. Built for routine weekly maintenance and well suited for addressing early signs of algae buildup.

Controls Common Types of Algae - Formulated to help control common algae types such as green, mustard, and black algae found in swimming pools. Supports cleaner water with regular use. For stubborn algae, additional maintenance such as brushing and super-chlorinating may be required.

Built-In Clarifier for Improved Water Appearance - This algaecide for pools features a built-in clarifying action that helps gather fine suspended particles so they can be more easily removed through filtration, supporting clearer water over time.

Non-Foaming, Copper-Free Formula - Formulated without copper or metallic additives and designed not to cloud or foam your water. Helps reduce the risk of staining on pool surfaces and salt cells, so it works well in saltwater pools too. Compatible with a wide range of pool finishes and systems.

Suitable for Small Above Ground Pools - Great for small above ground pools up to 2,500 gallons when used as directed. Follow label instructions for complete dosage information and detailed directions. Always maintain free chlorine residual of 1-2 ppm and pH between 7.2-7.6.

Made in the USA - At AquaDoc, we make high-quality pool chemicals designed to support a consistent water care routine. Made in the USA and a proud supporter of the Wounded Warrior Project. NOTE: We are currently unable to ship Pool Algaecide to the state of California due to State Restrictions.

AquaDoc Pool Algaecide helps control and prevent algae growth in swimming pools as part of a consistent weekly care routine. The copper-free formula works without metallic additives, helping reduce the risk of staining or discoloration on pool surfaces and equipment. This liquid algaecide is suitable for small above ground pools, including saltwater pools. It is formulated to help control common types of pool algae including green, mustard and black algae when used as directed. Well suited for routine maintenance and early signs of algae growth. The non-foaming formula is also designed not to cloud your water. Along with algae control, it features a built-in clarifier that helps gather fine suspended particles, allowing them to be filtered out more effectively. This supports improved water clarity and overall appearance over time. AquaDoc swimming pool algaecides are made in the USA, and we are a proud supporter of the Wounded Warrior Project. Always follow label instructions for safe and effective use. Q: How often should it be applied? A: Apply weekly for ongoing maintenance. For visible algae, super-chlorinate and brush first, then apply and continue weekly. Q: Does it prevent algae regrowth? A: When used regularly as directed, it helps prevent algae growth as part of routine maintenance. Q: Does it work on black and mustard algae? A: It is formulated to help control common pool algae including black and mustard algae. Best results come with proper brushing and super-chlorinating. Q: Can it be used in saltwater pools? A: Yes, it is suitable for use in saltwater pool systems and supports regular water maintenance. Q: How much do I need for my pool? A: For algae-free pools, apply 6.9-9.7 oz per 1,000 gallons. For visible algae, apply 9.7-12.8 oz per 1,000 gallons, then 2.4-4.8 oz per 1,000 gallons weekly for maintenance. This 32 oz bottle treats pools up to 2,500 gallons. Always follow label instructions for complete dosage.