Opening Green Pool

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chill123
Pool Newbie
Pool Newbie
Posts: 7
Joined: Wed 18 May, 2011 04:28
My Pool: In ground 11,000 gallons sand filter.

Opening Green Pool

Postby chill123 » Sat 21 Apr, 2012 12:31

Pool: 50,000 litres
Type: In ground
Filter: Sand


Hi,

After getting my (green) pools ph down to 7.6 2 days ago i added 20 litres of liquid chlorine from the pool store.
I was expecting it to go cloudy over night (dead algae) but there is no change. I tried dosing with a copper based algecide this morning but again no change.

I've retested and the pool seems to be holding a high chlorine level, about 10ppm. I shocked again this morning using granules.

Any ideas why it's not going milky? Am i just being inpatient?


I test using DPD tabs and phenol tabs for Ph. I also tried some Aquachek strips (despite everyone saying they are unreliable) and they indicated a CYA of 50 and TA of 100.


chill123
Pool Newbie
Pool Newbie
Posts: 7
Joined: Wed 18 May, 2011 04:28
My Pool: In ground 11,000 gallons sand filter.

Opening Green Pool

Postby chill123 » Tue 24 Apr, 2012 03:38

Quick update.

I switched the pump off for 12 hours and then vacummed to waste and things are a little clearer ( i can see the bottom step in the shallow end). However the water is still very much green, not milky.

I've reshocked with 10 litres of liquid chlorine.

Am i doing he right thing?

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