Pool slightly green.

Algae problems in swimming pool water.
Green (cloudy) water or slimy pool walls.
Black algae. Mustard algae. Pink or white pool mold.
JP003
Pool Newbie
Pool Newbie
Posts: 2
Joined: Thu 03 Aug, 2017 17:15
My Pool: I have an oval pool with 13000 gallons and a cartridge filter

Pool slightly green.

Postby JP003 » Thu 03 Aug, 2017 17:26

Hi, I just got a new pool last week and I added the recommended chemicals and after I put the shock in the water got a slight shade of green after an hour i put the shock in, is there something i can do to get rid of it


Denniswiseman
Swimming Pool Superstar
Swimming Pool Superstar
Posts: 830
Joined: Tue 06 Sep, 2011 05:48
My Pool: 10k inground fibreglass, Telescopic Cover, Hayward Powerline pump, Quality filter with glass media, 27kw output heat pump, K-2006C test kit
Location: United Kingdom

Re: Pool slightly green.

Postby Denniswiseman » Fri 04 Aug, 2017 03:41

JP003 wrote:Hi, I just got a new pool last week and I added the recommended chemicals and after I put the shock in the water got a slight shade of green after an hour i put the shock in, is there something i can do to get rid of it

You say you put the recommended chemicals in
Who recommended them?
What were they?
Where does you water come from?
Can you give your numbers
FC:
TC:
pH:
TA:
CH:
CYA:

My pool construction:
Pool chemicals:
JP003
Pool Newbie
Pool Newbie
Posts: 2
Joined: Thu 03 Aug, 2017 17:15
My Pool: I have an oval pool with 13000 gallons and a cartridge filter

Re: Pool slightly green.

Postby JP003 » Fri 04 Aug, 2017 13:40

Denniswiseman wrote:
JP003 wrote:Hi, I just got a new pool last week and I added the recommended chemicals and after I put the shock in the water got a slight shade of green after an hour i put the shock in, is there something i can do to get rid of it

You say you put the recommended chemicals in
Who recommended them?
What were they?
Where does you water come from?
Can you give your numbers
FC:
TC:
pH:
TA:
CH:
CYA:

My pool construction:
Pool chemicals:




I added
2lb pH up
2lb of stabalizer
2lb of shock
11lb alkalinity

FC:1
TC:3
pH:7.8
TA:180
Denniswiseman
Swimming Pool Superstar
Swimming Pool Superstar
Posts: 830
Joined: Tue 06 Sep, 2011 05:48
My Pool: 10k inground fibreglass, Telescopic Cover, Hayward Powerline pump, Quality filter with glass media, 27kw output heat pump, K-2006C test kit
Location: United Kingdom

Re: Pool slightly green.

Postby Denniswiseman » Fri 04 Aug, 2017 16:05

It would help if you answered all the questions so that we can help you better
I take it that the numbers are after you added the pool store products and you don't have a CYA number although you added stabilisor (CYA)
Looking at your chlorine level you have 1ppm free chlorine and 2ppm for combined chlorine which is why you are getting an algae bloom and you need to Slam with relation to the Chlorine / CYA Chart and to your recommended Pool Levels
Your addition of pH up and 11 lb of alkalinity has raised your TA quiet high and can force your pH up higher as well
You can purchase the same chemicals listed below from a store at a lower price
Liquid chlorine (sodium hypochlorite or plain bleach)
Muriatic acid (hydrochloric acid) to lower pH and TA
Bicarbonate of soda to raise TA
Aeration will raise pH only
Soda ash will raise pH and TA
The purchase of a decent test kit (Taylor K2006 or TF100) will pay for itself in the reduction of pool store products and enable you to be in control of your own pool, which isn't happening at the moment (you need to lower your TA)
You would be Yo Yoing
You can use Pool Maths to work out what you need to dose

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