| Course | Important: Remove active carbon; all equipment may remain switched on. Dosage: for 5 days 10 ml per 40 litres per day. Visible results within 10 days. The first days time is needed for building up sufficient bacteria to combat and replace the red algae. This process takes time. After 5-7 days result will become visible. In some cases a second treatment is needed. |
| Maintenance | Sustained result: weekly 10 ml per 100 litres. |
250 ml - 500 ml - 1000 ml