Pool returns.....matter which direction?

Welcome to TFP!

You want to aim the returns to create a consistent water motion, usually in a circle around the pool. One return should be aimed down and to the side so it sends water towards the bottom of the deep end and also supports the circular movement. That will promote mixing with the deeper water. The other should be just towards the side. Fiddle with them until you get a consistent movement that drives debris into the simmer (even if slowly).
 
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