I have placed a new hide in my tank for Floyd and I have seen things on the net explaining this cloudy film on the walls of a tank but it's not on the walls of the tank, it's only on this new hide. It's supposed to be all natural stone so I'm not sure why it has this clear filmy looking stuff all over it. I put my hand in the water and felt the stone hide but it's not slimy at all, it's like the "film" is just a cloudiness caused by this thing. The fish are fine and I checked my water and everything is fine, ph is good, no ammonia, nitrates and nitrites are fine so it's not really causing a problem as far as I can tell. I just don't want to find out that it's leeching toxins into my water, I would hate to lose my fish! I've had the hide in there for . . . hmm a week maybe more. Just did a 60% change on Saturday (had worms) when I bought my second fish. Should I just clean the tank and take out the new hide? Every time Floyd swims through that crap it gets into the water more and it is slowly clouding up the whole tank. Both fish seem active and totally fine . . . I just don't know what this is???