Pool Algae hard to remove

Algae problems in swimming pool water.
Green (cloudy) water or slimy pool walls.
Black algae. Mustard algae. Pink or white pool mold.
GalCres
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I'm new here
Posts: 1
Joined: Sat 15 Dec, 2018 22:48
My Pool: Fiberglass, 4m x 10m

Pool Algae hard to remove

Postby GalCres » Sat 15 Dec, 2018 23:09

Dear all,
I own a fibreglass pool which is chlorine-based. Recently I found green/yellow algae which seems difficult to get rid of.
The first initiative I did is shocking the pool by Granular Chlorine which worked well in same day and all spots gone, next day the algae came back, follow the suggestion from pool shop I poured 1L copper-based algaecide and keep running filters for a few days along with daily brushing however no improvement at all. I was frustrated then did another chlorine shock without success, the algea now seems resistant to any form of chlorine.
The pool shop has no better solution at the moment, anyone could help would be highly appreciated!
Looking forward to seeing your suggestions!


Teapot
Swimming Pool Superstar
Swimming Pool Superstar
Posts: 702
Joined: Tue 17 Oct, 2017 10:52
My Pool: 12 x 24 (45m3) liner pool, Triton TR60 filter with AFM glass media (Activate) and variable speed pump running 0.08HP
Location: UK

Re: Pool Algae hard to remove

Postby Teapot » Mon 17 Dec, 2018 11:18

Hi, the first step is to post your water test results on here for us to look at. These need to be proper tests and not with dip strips.
Most of the time the reason you can't deal with algae is because the cyanuric acic level is to high. This compound is in most packaged chlorine products and build up to a high level.
Don't assume the pool shop know this, many are sadly lacking in knowledge.

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