Fish Itch

Itch should not be confused with flukes or Ichthyophthirius, even though the fish does dart about obviously suffering from some irritation.

The actual result is a microscopic organism in the water set up via an excess of uneaten food, and excretions being allowed to remain in the tank.

To cure, add 1/8 grain of permanganate of potash per gallon of water to the aquarium; it'll not be essential to remove any fish or plants.

Leave for two or 3 hours, then remove any settlings in the bottom of the tank with a siphon, emptying the aquarium by a half.

Make up the deficiency with clear seasoned water. The slight shade of pink discoloration remaining will eventually clear.

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