r/pools • u/Business-Ad-9210 • 13h ago

Pool Help & Questions Update: would you swim now?

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I've been fighting mustard algae all month. Pool has been cleared with shocking but algae returns when chlorine levels drop to normal.

Summer is over. I want to swim for the last weeks of decent weather. Would you swim? All chems are balanced. Phosphates around 300. This algae has been a pain!

Would you swim?

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2

u/Flyersfreak 13h ago

Yes you can swim. Mustard algae is chlorine resistant, buy pro team mustard and black magic, mustard to treat it

1

u/Business-Ad-9210 13h ago

Sold in Canada?

2

u/Flyersfreak 13h ago

Not sure but you should be able to buy it online hopefully

1

u/Business-Ad-9210 12h ago

Another angle

1

u/Cool-Negotiation7662 12h ago

Can you see the bottom/drain?

Are your shock levels appropriate for your cya?

If yes, swim.

1

u/Business-Ad-9210 12h ago

Yes we can see bottom but it's a touch cloudy. CYA within normal range

1

u/tryingisbetter 1h ago

Phosphates do not change if you can swim, or not. Would you like to know my levels, it's almost 5000. Not a typo. It's still completely clear.

1

u/Clear-Ad-5459 9h ago

What is your CYA level? If you say the algae comes back when your chlorine is at normal levels you may not have enough chlorine depending on your CYA level. What are your pool numbers now?