The Sea is a giant basin, which represents that salvation is of the Jews. The water carts and the reservoirs that they contain illustrate our need for ourselves to be clean and our sacrifices to be clean when we come to worship God at the Lord’s Table. Other passages mentioned include: 1 Kings 7:13; John 4:20,22; Titus 3:5; Ephesians 5:25-26; 2 Chronicles 4:6; Leviticus 1; 1 Peter 2:9; Hebrews 10:19-22; 1 Timothy 4:3-5; John 4:24.