So i recently order a pretty expensive rock with a ton of fire and ice zoas and they came absolutely covered in junk. during acclimating and dipping i was able to scrape half of it off, but there is just too much gray/brown debris, green algae like string wrapped around each polyp. They are opened for the most part, but I have heard of people having this problem and the zoas eventually dying. Does anyone know of an efficient and stress free way to remove this junk? I tried the best i could, but i already damaged some of the polyps and dont want to cause anymore harm. The other coral I got were filthy as well, but they were LPS with large polyps so they were easy to clean up. Ive got a few hundred dollars sitting here in limbo, so if someone can give me some advice, I'd appreciate it.