The best replacement for buckets is carboys.

The best alternatives to buckets are rated as following:
★★★★★  carboys
★★★★  pails
★★★  pipeline
★★  tubs
★  baskets
★  tins

Your alternative for buckets is not listed? Suggest!
Speaking about buckets, one probably shouldn't forget about lids.

Other search terms related to buckets and their ratings are:
★★★★★ lids
★★★ screw on lids
★★ gamma lids
You have in mind a companion for buckets and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of buckets in all years. Click on graph for more.
buckets
carboys
pails