Fast-acting formula targets and eliminates columnaris ulcers and bacterial infections for rapid recovery
Formulated with nitrofurazone and kanamycin for effective treatment of open sores, fin rot, tail rot, and gill infections
Designed for use in hospital tanks or controlled environments to ensure consistent, predictable results
Safe for biofilters when used as directed and suitable for both koi and ornamental pond fish
No fillers or unnecessary ingredients, ensuring focused action and minimal waste
Summarized by Shop
Bacterial Blast — Targeted Koi Ulcer & Bacterial Infection Treatment Controlled Treatment. Predictable Results.
Bacterial Blast is a professional-grade bacterial treatment designed to stop and reverse infections in koi and ornamental pond fish. While it can be used in a pond, it is best utilized in a hospital tank, where conditions ca
Active Ingredients
Nitrofurazone, Kanamycin sulfate
Dosage
5 g per 100 gallons (standard), up to 15 g per 100 gallons (severe cases)
Treatment Duration
24–48 hours per application, up to 3 treatments
Volume per Jar
50 g (treats up to 1,000 gallons)
Application
Requires strong aeration and removal of carbon or chemical filtration
Suitable for Water Type
Freshwater
Summarized by Shop
4.4
16 ratings
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Excellent products, fast shipping, amazing customer service and advice. What more do we need🙏
This particular product is amazing and does exaclty what it says on the tin
Gareth · August 26, 2026
This saved two of my fish and prior to finding this I lost four fish using brands from the big river site that did nothing. I will always have this and other products from Krazy Koi on hand Thank you for products that work!
J
JANET · August 9, 2026
It Works
No fuss products that actually work for a change. Good prices and fast shipping.