My first 40ct "puck" did the same thing. I only use the 50/50 stuff now no water. It's expensive but I've paid too much for my cigars to have them mold.
I took the old "puck" apart to see if I could put gel in there but they don't really go back together.

---

"Those who can make you believe absurdities can make you commit atrocities." - Voltaire