Use Blagdon Anti Ulcer at the first signs of ulcer like sores pop eye (swollen eyes), dropsy (swollen body), hollow belly or bacterial gill disease (fish gasping). Anti Ulcer is a 2 dose treatment, follow the dosage instructions and calculate your pond volume as close as possible.

Product Details;

• Contains formaldehyde
• Harmless to filters and other pond fish, plants and water-using wildlife
• 250ml = 2 dose treatment for 500 gallons - 2273ltr
• 500ml = 2 dose treatment for 1000 gallons - 4546ltr
• 1000ml = 2 dose treatment for 2000 gallons - 9092ltr