I have a question about Heartfeld

[eber]

Originally Posted by cigaman1979

I've personally noticed that beads have be to re-hydrated more often than the other humidification devices
beads do have a shelf life. You probably should replace them every year or three depending on how they're doing

I would disagree as well, I have had mine for about 4 years and they work like they did when I first got them.