
Timing of Application
Application is timed according to the following treatments:
- Periodic: usually applied twice per year.
- Eradication: apply one to three times per year during warm season: immediately after the annual peak in reproduction (typically in June or July), and at the end of the season (October or November) (Nalco Chemical Company 1996).
- Preventive: treat throughout warm weather season. Can be added whenever chlorination is applied.
Zebra Mussel Chemical Control Guide
ACTI-BROM