Okay so over the last 2 weeks I have lost my flame tip tang, powder brown tang, both of my clowns, and my lawn mover blenny. The only fish I have left is my watchman goby, diamond goby, and 2 scooter blennies. Before I introduce any new fish I am going to wait 2 months for the ich to die off. my 20g quarantine tank I plan to set up will have just a hob filter no sand no rock pvc tubes to hide. Would it be okay to run a sca-301 skimmer in the 20 gallon to control waste it is rated for 65 gallons. Also would my gobies and blennies be okay in th dt. I have heard they have thick mucus coats and ich can not attach to them. I'm going to miss the fish swimming around.