Expert Verified Updated: March 2026

Pool Algaecide Dosage Calculator

Calculate maintenance and initial doses for pool algaecide to prevent green water and ensure long-term clarity.

Quick Conclusion
Standard algaecide maintenance requires 2-4 fl oz per 10,000 gallons weekly. For visible algae or freshly filled pools, use an initial 'shock' dose of 8-16 fl oz per 10,000 gallons.

Technical Comparison

Type Quat Algaecide Polyquat 60 Copper-Based
Foaming Yes (High) Non-foaming Non-foaming
Clarifying No Yes No
Staining Low Risk None Moderate (Metal)
Application Prevention Weekly Shield Kill Blooms

Actionable Steps

Pro-Tip

Algaecide is a preventative 'shield'. It doesn't kill algae as fast as chlorine; it mostly prevents the spores from taking root. Always maintain your chlorine levels first!

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