yeah, i have about 20-30 lbs of LR ( i think i said that in the first post)
Yes, you did. Sorry about that.
Well, I don't know then. I guess it's not impossible that perhaps he got trapped between some rock and hurt himself getting free. Hard to say. Without a QT
, makes it hard to treat. Especially with inverts in the tank.
The only med I know of that's safe with inverts is Melafix. It's an antibacterial medicine that's safe to use in SW
. Not sure it's coral safe, or how it will affect your LR
, but your crabs should be ok. It's used to repair damaged fins and open wounds. And helps with regrowth of the damaged tissue. I would suggest picking up a cheap ten gallon though for treatment. You don't have to have it set up all the time but, comes in handy when thing go amiss.
Maybe some others will pop in with some other suggestions.