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esim13
 Post subject: How do my numbers look?
PostPosted: May 16th, 2010, 8:53 pm 
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Joined: October 31st, 2009, 4:02 pm
Posts: 243
Location: Denham Springs, Louisiana
I had CYA issues but I think I'm back under control. I just wanted to check to make sure all looks good.

FC 3.5
CC 0
pH 7.6
TA 90
CH 130
CYA 40

I've had 3 pucks in floater for the past week to try to increase CYA from 30. I haven't added any bleach until today when it dropped to 3.5. Floater is now empty. I added 9 cups of bleach to get to target level of 7. Pool is in full sun so I've been trying to keep FC on the higher side of range. I was previously losing about 3ppm a day. Should I continue increasing CYA to 50 because of full sun, no trees, no shade until almost 7:30pm?



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10,408 gallon, 21' round, 52 in' deep AG, half in ground
Artesian Clear Master Plus Sand Filter, Artesian Turbo King 2 hp pump, installed June 08
Denham Springs, Louisiana
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Pic taken 2011
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257WbyMag
 Post subject: Re: How do my numbers look?
PostPosted: May 16th, 2010, 8:55 pm 
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Location: Flower Mound, TX
Looks good to me.

You can increase your CYA if you want to or you can stop where you are. I would probably stop there and add CYA later if needed. It's easier to add some than to remove some.



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Butterfly
 Post subject: Re: How do my numbers look?
PostPosted: May 16th, 2010, 9:42 pm 
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Numbers look good :goodjob:

All day full sun? If it was my pool, I'd increase CYA to 50-ish.

With a sand filter, you will be backwashing some out anyway.



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TF100 Test Kit - Pool Calculator - Pool School - Support This Site - Chlorine/CYA Chart
You're done shocking when:
1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.
18K IG White Plaster - 1.5 HP Pump - Hayward S-240 High Rate 300# Sand Filter, TF100 Test Kit
"The person who says it cannot be done should not interrupt the person doing it." Chinese Proverb
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esim13
 Post subject: Re: How do my numbers look?
PostPosted: May 16th, 2010, 10:12 pm 
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Joined: October 31st, 2009, 4:02 pm
Posts: 243
Location: Denham Springs, Louisiana
Yes, all day full sun! :sun: I have 4 1/2 days of teaching left then lookout pool here I come 8-) :cheers:



_________________
10,408 gallon, 21' round, 52 in' deep AG, half in ground
Artesian Clear Master Plus Sand Filter, Artesian Turbo King 2 hp pump, installed June 08
Denham Springs, Louisiana
GEAUX TIGERS!
Pic taken 2011
http://i941.photobucket.com/albums/ad25 ... CN0332.jpg
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Butterfly
 Post subject: Re: How do my numbers look?
PostPosted: May 17th, 2010, 7:45 am 
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Joined: May 30th, 2007, 8:57 pm
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esim13 wrote:
Yes, all day full sun! :sun: I have 4 1/2 days of teaching left then lookout pool here I come 8-) :cheers:

:sun: :cheers:


That reminds me - I need new sunglasses 8-)



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TFP Moderator
TF100 Test Kit - Pool Calculator - Pool School - Support This Site - Chlorine/CYA Chart
You're done shocking when:
1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.
18K IG White Plaster - 1.5 HP Pump - Hayward S-240 High Rate 300# Sand Filter, TF100 Test Kit
"The person who says it cannot be done should not interrupt the person doing it." Chinese Proverb
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