Bacterial Blast — Koi Ulcer & Bacterial Infection Treatment
Fast, Targeted Treatment for Ulcers and Bacterial Infections in Koi
Bacterial Blast is a professional-strength treatment formulated to stop and reverse bacterial infections in koi and ornamental pond fish. It is designed for ulcers, fin damage, mouth infections, and other bacterial issues that commonly appear in outdoor ponds. When used at the first signs of infection, it promotes rapid improvement and cleaner healing.
What This Treats
Bacterial Blast is formulated to address:
Koi ulcers and open sores
Fin rot and tail rot
Mouth rot and gill infections
Secondary bacterial infections after parasites
Aeromonas and Pseudomonas-related damage
These are the most common and destructive bacterial problems found in koi ponds.
When You Should Use Bacterial Blast
Use when you observe:
Red, raised, or inflamed areas on the body
White or pink ulcerated lesions
Ragged or deteriorating fins
Lethargy following a parasite outbreak
Injuries that are beginning to show bacterial involvement
Treating early significantly increases recovery success.
How It Works
This medicated formulation targets the bacteria responsible for ulcer disease and related infections. It disperses evenly in pond water and supports the healing process while reducing stress on the fish. The formula is designed specifically for koi ponds and is based on aquaculture principles used in professional fish health management.
Dosing Instructions
Always maintain strong aeration during treatment.
Standard Dose
1 teaspoon (5 g) per 250 gallons of pond water.
Dissolve the dose in a bucket of pond water before distributing around the pond.
Severe Infection Protocol
Repeat the dose every 48 hours for up to three total treatments.
Continue aeration throughout the treatment period.
Additional Notes
Remove activated carbon or chemical filtration during treatment.
Safe for use with biofiltration when used as directed.
Do not use with extremely sensitive aquatic plants.
Pond Size Dosage Chart
| Pond Size |
Dose |
| 100 gallons |
0.4 tsp |
| 250 gallons |
1 tsp |
| 500 gallons |
2 tsp |
| 1,000 gallons |
4 tsp |
| 3,000 gallons |
12 tsp (2 tablespoons) |
Adjust proportionally for larger systems.
Why Choose Krazy Koi Meds Bacterial Blast
Formulated by an aquaculture professional with over 30 years of experience
Designed specifically for koi and ornamental pond fish
Works quickly on stubborn bacterial infections
Supports cleaner and faster healing
Consistent, reliable performance in real-world pond conditions
No fillers or unnecessary additives
Bacterial infections require decisive treatment. This product is built for predictable results.
Frequently Asked Questions
Is Bacterial Blast safe for koi and goldfish?
Yes. When used as directed and with proper aeration, it is safe for koi, goldfish, and most ornamental pond species.
Can this be used with salt?
Yes. It can be used with moderate salt levels, but always follow proper salt management guidelines and monitor fish closely.
Will it harm pond plants?
It may affect extremely sensitive plants. Most pond plants tolerate treatment without issue, but removal of fragile specimens is recommended.
How long before improvement is visible?
Most ponds show noticeable improvement within 48 to 72 hours, especially when the infection is caught early.
Can this be used preventively?
It should only be used when there is evidence of infection. Preventive care should focus on water quality, stocking density, and parasite control.
Quality and Expertise You Can Trust
Bacterial Blast is formulated specifically for the needs of koi keepers and pond owners who want reliable, professional-grade bacterial control. Backed by decades of fish health experience, it delivers consistent results when your fish need it most.