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King British methylene blue

John q

Member
Joined
6 Jan 2021
Messages
715
Location
Lancashire
Can't find any info on king british but the guide for kordon methylene blue is below.

  1. Prepare a nonmetallic container of sufficient size to contain the fish to be treated by adding water similar to the original aquarium.
  2. Add 5 teaspoons (24.65 ml) per 3 us gallons of water. This produces a concentration of 50 ppm. It is not recommended that the concentration is increased beyond 50 ppm.
  3. Place fishes to be treated in this solution for no longer than 10 seconds.
  4. Return fish to the original aquarium.

Just be aware the above is us gallons, that's about 11.3 ltrs. Also king british is slightly stronger 2.4% vs 2.3% for kordon.
It works out at about 2ml per litre that you need to mix after factoring in for strength difference.
Make sure you treat the fish in a separate tub and don't leave it in for longer than 10 seconds.

I'm not exactly sure what the signs are you should be looking for but hopefully @MirandaB can advise.
 
Last edited:

John q

Member
Joined
6 Jan 2021
Messages
715
Location
Lancashire
Yes it's a very strong dose, hence only dipping for 10 seconds.
This isn't a treatment I've ever done so can't really say with any confidence if a lower dose will achieve anything or not.
 
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