Hello. I've had an extremely mild infection of black bugs (or something of that nature) in my reef for the past 4 months. I've finally been able to find some interceptor (large chew tablets) and it's supposed to arrive early next week. My tank has a lot of feather dusters, micro brittle stars, and a Crocea clam. My question for those with experience with interceptor is if it's harmful to anything besides pods and crustaceans? Especially if it's safe for Tridacna clams? Thank you.