"Whom God hath set forth to be a propitiation through faith in his blood, to declare his righteousness for the remission of sins that are past, through the forbearance of GOd." Rom. 3:25.
"Much more then, being now justified by His blood, we shall be saved from wrath through him." Rom. 5:9.
"In whom we have REDEMPTION THROUGH HIS BLOOD, THE FORGIVENESS OF SINS, according to the riches of his grace.." Eph. 1:7.
"In whom we have redemption through his blood, EVEN THE FORGIVENESS OF SINS." Col. 1:14.
Hebrews 9:6-28. " And almost all things are by the law purged with blood; And WITHOUT SHEDDING OF BLOOD IS NO REMISSION." Heb. 9:22.
"And they sung a new song, saying, THou are worthy to take the book, and to open the seals thereof: for thou was slain, and HAST REDEEMED US TO GOD BY THY BLOOD out of every kindred, and tongue, and people, and nation, " Rev. 5:9.
Add to that this one
Rev 7:14 And I said unto him, Sir, thou knowest. And he said to me, These are they which came out of great tribulation, and have washed their robes, and made them white in the blood of the Lamb.
Do you realize you are making my case for me? Remission does not mean to clean or bathe, it means a payment of a debt, as in to remit.