It is really important that you store your PLA in a dry environment. Humidity causes problems when printing. One of the cool things about 3D printing stuff is you mostly just print it. I now have ample PLA storage using this Drybox Sterilite 20 Qt project.

Four clear plastic storage bins with blue latching lids holding 3D printer filament spools on PVC pipe rollers on two shelves.3D printed black filament drybox insert with orange silica gel beads, sitting inside a clear Sterilite container with an apple-print liner.