I have used, buckets, water dispenser barrelles, etc etc... i agree Buckets are easier to clean, but they can get scratched and hold contamination in the roughed up plastic. Plastic bottles or better bottles work well but getting a gravit reading is a pain in the ass, the same with the glass carboys... so buckets are pretty nice... I use 2 buckts and 4 5 gallon water jugs.
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