fish scratching again on decorations

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clusty

Aquarium Advice Newbie
Joined
Nov 6, 2013
Messages
1
Hey,

I had a small stint of ich 2 weeks age which I treated with API Ich super cure for 6 day( half dose every 24h instead of full dose every 48). Given that my aquarium is at 83F, I can imagine 2-3 full life cycles of ich passed while medicated. Yesterday ,I re-added the charcoal filter to remove the medicine.
To my surprise is today I saw one apistogramma scratching again, no dots just yet.

Is it just irritated or I missed my treatment?
To reprhase: I restart the scorched earth(water), or I wait and see if other fish restart scratching, dots reappear?
Think it is fine using full strength medication or I can expect casualties from my ramirezi/apistogrammas?
 
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