"I'm travelin' down the road, I'm flirtin' with disaster."
It's not a question of if, but when. Been there, done that.
Use something else, or just wait for the ooze.
Powdered Epsom Salts, (Magnesium Sulfate) is a good home-brewed alternative. You need to grind the crystals up though, like with a mortar and pestle. No ooze, no critters, no worries...
I use powdered silica. Chemically inert, stable, nothing eats it. Just don't breathe the stuff. Can you say pseudovolcanopneumosiliconiosis?