cheap/quick option...
1-bag/bucket of damp rid. (have extra bags/buckets @ the ready).
1-5 gallon bucket.
1-fiberglass/plastic/aluminum mesh/large strainer.
empty entire contents of damp rid bag/bucket into mesh/large strainer.
cut hole in bucket top. affix/tie strainer w/ bag of flakes/pellets to cover hole in top of bucket.
will help dehumidify medium sized room (up to 8x8x8 ft). can also place several store-bought damp-rid type modules @ home improvement store.