Thank you everyone for your replies. 1 has passed today. The other isn’t look good. They’ve not been eating. The other angels are fine as is the algae eater (waiting to see what kind) still think changing the substrate has caused the cycle to crash. Lfs told him his water was good 🙄 there’s a...
Posting this on behalf of a friend. He has 2 Angel fish that have lost a lot of colour and possibly their slime coat. (I’m not sure from the pictures) There are no other fish in the tank. He has a 55 gallon tank with 2 hob filters. LFS told him his water was good. However I told him to buy his...