King British Methylene Blue

King British Methylene Blue is a longstandng treatment for aquaria, used by generations of fish keepers. It is effective against a range of fungal & bacterial infections. For use in coldwater & tropical aquariums. One 100ml bottle will treat up to 900 litres of tank water.

Active Ingredient: Contains: Methylene Blue 2.44% w/w.

How to use 

1. Carefully calculate the volume of water to be treated making adequate allowance for the displacement of water by gravel, rocks & equipment.
2. Shake bottle well before use.
3. Using the pipette add 1ml  of Methylene Blue for every 9 litres (2 gals) of water. Alternatively, add 1 capful (4ml) of Methylene Blue for every 36 litres (8 gals) of water.
4. Continue filtration during treatment but remove filter carbon.
5. Repeat treatment every 4 days while symptoms persist.
6. A 10% water change is recommended after the problem has been terminated.
7. Renew filter carbon.
8. If using directly on wounds, dab undiluted Methylene Blue on damaged areas using a cotton bud as a swab.

Available in a 100ml bottle