How to get rid of this algae?

[farmerjohn1324]

I've gone to the pool store (Pinch a Penny) twice now and followed their recommendation. They included a combination of chlorine, muriatic acid, algaecide, water clarifier, and some other chemicals.

It is still not clearing up. The green remains, and it's stuck to the bottom and sides even after I scrub it, it settles back down. The filter is running at about 7psi. I replaced it about 10 days ago. That seems a little too low to me?

Another question about the bucket in the skimmer. It always floats to the level of the water. Is that how it's supposed to be? Wouldn't that block water from going into the skimmer drain?

I have pictures, but can't see how to attach them. This is my first post.

[Denniswiseman]

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Don't panic about low pressure worry when it gets high (you have to backwash or clean) 20-25% above clean
If you are pumping water then i would assume that the skimmer is ok
Does the bucket have holes in it so that it can collect debris, maybe put a stone in it to hold it down
You really need to Slam (Shock Level and Maintain) with liquid chlorine (plain bleach)
Let us have your numbers
FC:
TC:
pH:
TA:
CH:
CYA: