[QUOTE="ooops - I had a missing step.. "] 1. fill 5gal bucket 2. fill up 3gal bucket with 5 gal bucket (5gal bucket now has 2gals; 3gal bucket is full)[/QUOTE] 2.5. empty 3 gal bucket, and pour remaining 2 gals from 5 gal bucket into 3 gal bucket.