All acoustic guitars need moisture to perform their best! A dry instrument can warp or shrink or at worst even crack. The no-mess low maintenance way to insure your investment lasts and sound great is to keep your guitar properly hydrated. There's no simpler less time-consuming way to do that, them using the soundhole humitar by Music Nomad. Pop it out, feel it. If it's dry, re-hydrate the sponge with distilled water and put it back in the soundhole. If the sponge is still damp simply replace it. That's all it takes!