OASE AquaActiv AlGo Direct
Use biocides carefully. Always read the label and product information before use!
AlGo Direct is a highly targeted algae treatment specifically designed to combat thread algae (filamentous algae) in localised areas—such as watercourses, waterfall zones, or pond margins. It delivers fast-acting results, killing algae within just a few hours.
The active ingredient breaks down into naturally occurring compounds, making it suitable for use in swimming ponds and other eco-sensitive environments when used as directed.
Key Features
- Targets and destroys thread algae in concentrated, localised areas
- Visible results within hours of application
- Breaks down naturally—no harmful residue
- Suitable for use in swimming ponds
Safe Application
- Only apply when carbonate hardness (KH) is at least 3 °dKH
- Follow all dosing instructions carefully for safe and effective use
- Avoid application near sensitive fish or sturgeon species


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