Drain pool or chem treat?

ajw22

Gold Supporter
TFP Guide
Jul 21, 2013
24,888
Northern NJ
Pool Size
35000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-60
So I have checked cya and ph this morning. Cya is at about 50 and ph is 7.2. I added 6 lbs of stabilizer. Should I drain a bit to get rid of some cya so I don’t have to use as much liquid chlorine or should I go ahead and just use 6 gallons to reach shock level.

What are you trying to do?

You say you added 6 lbs of stabilizer and now ask about draining to lower CYA???

Why do you need to raise FC to shock level?

Recommended Levels
 

qsmith3741

Well-known member
May 29, 2020
114
New Llano, Louisiana
Pool Size
33000
Surface
Vinyl
Chlorine
Liquid Chlorine
Still floating at a FC reading of 20. CC at 0. Should I go ahead and brush/vaccum to waste like it says on the SLAM page?
 

Newdude

Gold Supporter
TFP Guide
Jun 16, 2019
6,921
NY
Should I go ahead and brush/vaccum to waste like it says on the SLAM page?
Either to waste or through the filter if the water level drops too much. As the FC kills the algae it will fall to the floor. Some of it will disintegrate but plenty will just sit there dead and need to go.
 

qsmith3741

Well-known member
May 29, 2020
114
New Llano, Louisiana
Pool Size
33000
Surface
Vinyl
Chlorine
Liquid Chlorine
So it’s 1800. Closing out the day just finished my brush/vaccum/brush session. I tested after. FC was at 15 so I adjusted to get back to 20. Will leave it overnight and check it first thing in the AM. Of course, I am filling it back up with the hose to replace water lost.
 
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Newdude

Gold Supporter
TFP Guide
Jun 16, 2019
6,921
NY
Of course, I am filling it back up with the hose to replace water lost.
It usually sucks out way faster than the house spigot can replace it. So the vac to waste has to be quick, or in stages.

I always had great success brushing to one general area and then only having to vac that area. (Non SLAM times) As you brush algae it makes it poofy, but give it 15 mins and brush again. By the 3rd time you've gotten alot of it to move.
 
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qsmith3741

Well-known member
May 29, 2020
114
New Llano, Louisiana
Pool Size
33000
Surface
Vinyl
Chlorine
Liquid Chlorine
Lost a total of 4 FC overnight.
FC -16
CC-0
It’s still cloudy and can’t see the bottom. Its worth noting though that depth is starting to become more visual. It’s blue on the shallow end, almost a sea foam tint on the deep end.
 

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Newdude

Gold Supporter
TFP Guide
Jun 16, 2019
6,921
NY
It’s blue on the shallow end, almost a sea foam tint on the deep end.
Yup. Par for the course. Then you’ll get a blue shallow end and just a tinge in the deep end. Then all blue and it’s a filtering only problem instead of a chemistry problem. The FC loss will drop considerably at that point and you can hold the FC for 4 hours.... 6 hours.... 12 hours and it requires much less babysitting.

Then we preach POP. Pool owner patience. Sand filters can take the longest to clear the dead algae. Brush, brush and brush some more. Vac to waste to save the filter some and backwash anytime the PSI reaches 25% over clean readings.

You got this. You’re doing GREAT. Grab a beverage and keep at it. If you slack it risks lost ground and having to fight hard again.

Foot. On. Throat.

Finish it.
 

qsmith3741

Well-known member
May 29, 2020
114
New Llano, Louisiana
Pool Size
33000
Surface
Vinyl
Chlorine
Liquid Chlorine
Yup. Par for the course. Then you’ll get a blue shallow end and just a tinge in the deep end. Then all blue and it’s a filtering only problem instead of a chemistry problem. The FC loss will drop considerably at that point and you can hold the FC for 4 hours.... 6 hours.... 12 hours and it requires much less babysitting.

Then we preach POP. Pool owner patience. Sand filters can take the longest to clear the dead algae. Brush, brush and brush some more. Vac to waste to save the filter some and backwash anytime the PSI reaches 25% over clean readings.

You got this. You’re doing GREAT. Grab a beverage and keep at it. If you slack it risks lost ground and having to fight hard again.

Foot. On. Throat.

Finish it.
Should I view that Adding DE to the filter thread?
 

mknauss

Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
37,111
Laughlin, NV
Pool Size
6000
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
CC is removed from the water when the sun shines on the pool surface. When it is raining, there is normally no sun.
 
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qsmith3741

Well-known member
May 29, 2020
114
New Llano, Louisiana
Pool Size
33000
Surface
Vinyl
Chlorine
Liquid Chlorine
So surprisingly, I passed the OCLT.
CC-0
FC-23
It’s still very cloudy.
 

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kellyfair

Gold Supporter
Bronze Supporter
Jun 29, 2016
4,248
Tampa, FL
Pool Size
7000
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
Intex Krystal Clear
Cloudy and greenish. You are definitely not done yet.
 
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