Pool cleaner for fine debris

[Hairdoer]

Best robotic vacuum for above ground pool that will vacuum dead algae

 

[Mdragger88]

Best robotic vacuum for above ground pool that will vacuum dead algae

Anything with an ultra fine filter will help.
The dolphins have this option (pleated filter) and polaris cleaners (which aren’t robots) have ultra fine bags you can use.
I believe aquabots have fine bags as well. They are add ons & do not come standard with the cleaners. The dolphin ultra fine basket is around $70.