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ProblemsWhite Spot Disease (Ich)

fish

White Spot Disease (Ich)

Tiny white salt-like grains on the body and fins of fish.

Symptoms

White dots smaller than 1 mm on body and fins
Fish flashing against decor
Clamped fins and loss of appetite

Common Causes

Ich parasite (Ichthyophthirius multifiliis)
New fish introduced without quarantine
Temperature stress

What to Check

Quarantine any new additions
Water temperature stability
Treatment duration (follow the full lifecycle)

What Not to Do

Do not stop treatment early when spots disappear
Do not mix incompatible treatments
Do not ignore stress factors

Recommended

How to Change Aquarium Water Without Stressing Fish Tool: Water Change Calculator

This guide is informational and does not replace professional veterinary advice. If fish are severely ill, consult a veterinarian.