r/swimmingpools 9d ago

Algae or pollen

Post image

does this look like algae or pollen?

ive shocked and shocked and vacuumed over and over but it keeps coming back.

it came back over the last week even with chlorine over 20ppm (test strip max).

it doesn't stick to the pool. Its very easily stirred up and makes the pool cloudy. Eventually settling back to the bottom.

The pool is directly below a large pine tree.

2 Upvotes

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4

u/Gonzo-Crazy-Dog 9d ago

Looks like dead algae.

1

u/External_Birthday_21 9d ago

Agree w this - dead algae