Is this velvet?

[dietgervde]

Hi,
This is on my clown fish since yesterday. I got 2-3 fish sandrubbing but nothing visible on them.

 

[ISpeakForTheSeas]

Welcome to Reef2Reef and sorry for your trouble!

I'd suggest at a minimum posting the info suggested in the quote below, and if possible reading through the link below that (particularly the "Aquarium Parameters," "Water quality," and "In-depth Information" sections) to figure out what info you can share here with the #fishmedic get the best diagnosis and treatment advice possible:

Please provide as much of the following as you are able:

• Brief description of the issue you are observing and answers to the following questions:
  • How long have you had the fish with the condition?
  • Did you quarantine with medication when you first acquired the fish? (If Yes, which medication?)
• Current water quality measurements
• Clear photos of the issue taken using WHITE light and/or a short video of any behaviors (post in your response or on YouTube).

If you can help us by providing as much of the above info as possible, it will make diagnosing and providing recommendations for treatment MUCH easier! The Fish Medic team will get back to you as quickly as possible. In the meantime, other members of our community may also share their experience with similar situations and advice that they may have regarding your situation.

You may also feel free to provide a more detailed description of the condition if you wish to share more info than the above list.

https://www.reef2reef.com/threads/s...sease-treatment-and-diagnosis-section.775547/Also, for future reference (don't use it this time; you should get the help you need in this current thread, so don't make a new one on the issue) with these sorts of issues, posting in the forum linked below can get you help faster:
https://www.reef2reef.com/forums/fish-disease-treatment-and-diagnosis.771/