3 MONTH ALGAECIDE 1QT

A long lasting, highly concentrated, chelated copper-based algaecide which kills and prevents green, mustard and black algae for 90 days. Non-foaming and will not stain surfaces. It is recommended that your pool water be balanced before using Robelle 3 Month Algaecide. One single treatment will keep your pool clean and healthy for 3 months. 11.8% Chelated Copper. 1 Quart.