acropora pest

Hey guys, I have a spionid worms on my sps and they are closes and looks brown, not all acros just someone.. How to fight them? I thought about doing a dip of KCI Potassium Chloride but i dont know if is works .... some idea ?

Hi All, I received 4 acro colonies last week and I've had to frag 3 colonies down into smaller sizes due to STN and acro burrowing worms (not red flatworms). These top two photos show the eventual die off of the skin and where tentacles from the worms extend to feed (neither of these...

I noticed recently that two frags of the exact same acropora were healthy one day, then completely white a few days later. I checked parameters and everything was stable. Al the other frags are fine. Then two days later another millepora in the same section of the frag tank experienced the same...

Quick setup here, been keeping fish for over 50 years, saltwater for 6. have a mixed reef 180 Gallon with 40 gallon sump and refugium. Tank has been set up for a month, rock was cycled for about 2 months. Been trough typical break in diatoms and some algae, things just turned around this week...