you must first use an algaecide product to eliminate the existing algae

apply barley straw extract every two weeks until algae are reduced

FlowControl™ technology equalizes airflow to each disk

For use with Professional Waterfall Foam 24oz (30096)

1 assembly cartridge  4 Outlet Aerator Renew Kit (Part Number: 75004) includes:   2 diaphragms

SePRO Sonar AS Broad Spectrum Aquatic Herbicide feed-cl0-Vertex Aerator Pump you must first use anSonar AS Aquatic Herbicide provides long term pond and lake weed control with a single treatment, often keeping water clear for a year or longer. This professional grade aquatic herbicide is highly effective on duckweed and other nuisance aquatic weeds, making it a trusted solution for restoring healthy ponds and lakes. Unlike many aquatic herbicides, Sonar AS has no water use restrictions after application, allowing normal activities such as