Are your fish rubbing or flashing, can you see parasites or ulcers attached to your fish, this treatment would be the answer. Low water clouding treatment for wounded or ulcer infested fish. Treats 5625ltr
Dosage: Use one heaped spoon (included) per 300ltr of pond water. Dissolve the correct or desired amount of powder in a bucket or watering can with water and spread over the pond. Repeat treatment every 4 weeks.