Daire, I'm no expert by any means, but I have my frogspawn for more than 2 years now, and I never had a problem of dying heads so far. On the other hand, I had a torch before, when I upgraded my tank, it started to die on me. First it's only 1 head not opening, then the tissue started to come off, then not too long after that the other head started dying. I'm guessing because I put it in the high flow area, and it didn't like it.