The immune system of pond fish can be influenced negatively by many factors. The first symptoms are stress, eating moderately and listlessness. The causes often are transport, bad environmental conditions, including wrong feed and/or bad water quality. Fish will be weakened quickly then and the immune system is no longer strong enough to prevent any disease.
- 250 ml for 5000 litres of water.
- 500 ml for 10.000 litres of water.
- 1000 ml for 20.000 litres of water.