Fast-Acting Treatment for Ulcers, Fin Rot & Systemic Infections | Sterilises Equipment | Use with Confidence on Ornamental Fish
Cloverleaf Absolute Chloramine T (CT) is a highly effective antibacterial pond treatment designed to combat a wide range of bacterial infections affecting koi and other ornamental fish. Ideal for use against body ulcers, fin rot, gill infections, and other systemic bacterial diseases, this trusted formulation also helps control harmful aquatic pathogens, promoting faster recovery and improving overall pond health.
Whether you're dealing with an outbreak or aiming to maintain long-term fish health, Absolute CT offers reliable, professional-grade results.
Effective against ulcers, fin rot, systemic bacterial infections
Helps control waterborne aerobic and anaerobic pathogens
Ideal for koi, goldfish, and other ornamental pond species
Can be used to sterilise nets, vacuums, and aquatic tools
Safe to use when applied as directed
Excellent when used following parasite treatments to prevent bacterial complications
Must not be used in soft water. Ensure:
pH is 7.0 or higher
General Hardness (GH) is above 6°dH
If water is softer than recommended, reduce dose by 75% and monitor fish closely
Do not use in conjunction with salt or when temperatures are below 10°C
Standard Dose: Add 10g per 4,546 litres (1,000 gallons) of pond water
Apply once daily for a maximum of 4 consecutive days
Turn off UVC sterilisers during treatment
For equipment sterilisation: Use 5g per 45 litres of water for nets, hoses, etc.
55g Pack – Treats 6,250L (1,375 gallons) over 4 days
110g Pack – Treats 12,500L (2,750 gallons) over 4 days
220g Pack – Treats 25,000L (5,500 gallons) over 4 days
After completing a course of Chloramine T, it’s highly recommended to re-establish beneficial bacteria in your filter system. Use Absolute Bio Gel to quickly repopulate and stabilise biological filtration, helping maintain long-term water quality and fish health.
Restore balance and beat bacterial infections fast with Cloverleaf Absolute Chloramine T – the trusted solution for dedicated pond keepers who want to protect their fish and their environment.
