The best replacement for wood chips is mulch.

The best alternatives to wood chips are rated as following:
★★★★★  mulch
★★★  chunks
★★  charcoal
★★  wood chunks
★  rubber mulch
★  pellets
★  gravel
★  bark
★  wood chips
★  pea gravel
★  rock landscaping
★  rocks
★  pine straw
  wood pellets
  bark mulch
  mulch playground
  shredded mulch
  sawdust
  sand playground
  wood mulch

Your alternative for wood chips is not listed? Suggest!
Speaking about wood chips, one probably shouldn't forget about gas grill.

Other search terms related to wood chips and their ratings are:
★★★★★ gas grill
★★★★ charcoal
★★ electric grill
★★ propane grill
★★ infrared grill
★ an electric smoker
★ electric smoker
★ smoker
You have in mind a companion for wood chips and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of wood chips in all years. Click on graph for more.
wood chips
mulch
chunks