| I had that problem once I agree with them but in my case i had an infaction and i needed a quick solution they were harming my Flower Pot and soom of my LPS. I started my treatment with some tankmates. I added a Target Mandarin and a Yellow Coris Wrasse this fish are potential flat worm predators. In about 2 to 3 weeks the problem was under control. That MO
Good Luck | 
