Circling the Drain: Sometimes Sudoku Can Make You Feel That Way, & Sometimes You Can Swim Out!

Today's Puzzle:

Excuse the darker intro than usual, but the conquest of this puzzle was all the sweeter after not finding an easy break-in!

Link to Play:

Circling the Drain by FullDeck and Missing a Few Cards https://tinyurl.com/SudokuSleuthCirclingTheDrain

Rules:

Standard sudoku rules apply: The digits 1 through 9 appear in every row, column, and box.

Arrows: Digits along an arrow must sum to the number indicated in the circle from which the arrow emerges. Digits may repeat along arrows if allowed by other rules.

Ratio dots: Cells separated by a black dot are in a 2:1 ratio. Not all dots are necessarily given.