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Post subject: The Pool Calculator
Posted: August 8th, 2007, 9:59 am

Joined: May 7th, 2007, 3:03 pm
Posts: 29847
Location: Silver Spring, MD
The Pool Calculator is a handy web based calculator for figuring out amounts of chemicals to add, what your calcite saturation index is, and what appropriate FC levels for your CYA level are.

The Pool Calculator

For background you will also want to read Recommended Pool Chemicals over at Pool School.

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19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
TFP Admin. Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

Post subject:
Posted: October 2nd, 2007, 12:06 am
 In the Industry

Joined: July 2nd, 2007, 6:24 pm
Posts: 69
Location: Australia
Hi Jason,

Great calculator mate!

My hat goes off to you! Awesome Work!

Take Care,

Michael Silvester

Post subject: Suggested FC Levels :
Posted: April 6th, 2008, 7:37 pm
 Registered User

Joined: April 3rd, 2008, 6:50 am
Posts: 44
In the Suggested FC Levels section what do the 4 textboxes mean

SWG : 1
Normal : 1 to 4
Shock : 10
Mustard Algae Shock : 12

I may have an idea but I just need to be sure. I have an AG non-saltwater pool so i htink SWG doesn't apply to me. Does Normal mean the 'range' that is generally accespted for your FC levels to be reading ? And does Shock mean the ppm that you want to shock your pool at initiailly to kill all the algae ? If so I'm a bit confused ... If the normal range is at 1 to 4 and you shock your pool with 10 ppm, how do you get the levels for FC back down to the 1-4 range ? Hope that makes sense.

-S

P.S. - This calculator is a great idea. So glad you guys made it.

Post subject:
Posted: April 6th, 2008, 7:44 pm

Joined: May 7th, 2007, 3:03 pm
Posts: 29847
Location: Silver Spring, MD
SWG is the FC level you should aim for when using a salt water chlorine system.
Normal A to B is the range that people without a SWG system should keep their pool at day to day. The lower number is the minimum, never let FC go below that level.
Shock is the FC level you want to maintain to kill algae.
Mustard Algae Shock is a FC level that is sometimes required to kill persistent mustard algae.

All of these numbers depend on your current CYA level. Enter your CYA level, hit tab, and the Pool Calculator will show levels appropriate for that CYA level.

Chlorine gets used up, both by sunlight and by things like people and pollen in the pool. Unless your CYA level is very very high the FC level will come down from shock level to normal levels in about two days.

_________________
19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
TFP Admin. Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

Post subject:
Posted: April 6th, 2008, 8:09 pm
 Registered User

Joined: April 3rd, 2008, 6:50 am
Posts: 44
Thanks alot. Very helpful

Post subject: Re: The Pool Calculator
Posted: July 19th, 2008, 6:40 pm
 Registered User

Joined: July 13th, 2008, 10:26 am
Posts: 31
I want to use the calculator to tell me how much shock to add to my pool. I inserted all of the data parameters, and it reads "17." I believe that is the ppm of FC it wants me to raise the level to. Correct? But, I do not see how many pounds of shock I should add to achieve this level.

Post subject: Re: The Pool Calculator
Posted: July 19th, 2008, 6:47 pm

Joined: May 7th, 2007, 3:03 pm
Posts: 29847
Location: Silver Spring, MD
First, enter the number of gallons in your pool in the orange Size row near the top. Then enter your current FC level is the Now column of the yellow FC row and your target FC level in the Goal column of the yellow FC row. Then select the kind of "shock" you are using in the popup menu to the right, it probably says "trichlor" right now. Then, just to the left of that popup, it will tell you how many oz by weight and by volume that you will need.

Bobbyk, look here for more answers to your questions. JasonLion

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19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
TFP Admin. Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

Post subject: Re: The Pool Calculator
Posted: July 19th, 2008, 7:53 pm

Joined: September 7th, 2007, 4:56 pm
Posts: 344
Location: Lafayette, Louisiana
I think you need to convert this to a version I can download for my iPhone. That would be a great app now that it's available. There are a thousand useless apps out there now, we need a few more actual useful ones...

You could probably sell it. Alot of these apps sell through the iTunes store for a few bucks each. How many pool/iPhone owners are there?

Here's a link for the Developer software...hint...hint...

http://developer.apple.com/iphone/program/

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Fortune favors the well prepared

The build...
viewtopic.php?t=3974
Freeform 24' x 38' IG gunite. 3 1/2' to 8' deep. 28,500 gallons. AutoPilot Total Control SWCG. Pentair Intelliflo VF. Pentair CCP520 cartridge filter. Colorlogic LED lights. Tahoe Blue Diamond Brite. 1200 sq ft stamped concrete deck.
More details as they happen...

Post subject: Re: The Pool Calculator
Posted: September 19th, 2008, 10:15 am

Joined: September 16th, 2008, 5:52 am
Posts: 106
Location: Jacksonville, FL
Belldiver wrote:
I think you need to convert this to a version I can download for my iPhone. That would be a great app now that it's available. There are a thousand useless apps out there now, we need a few more actual useful ones...

You could probably sell it. Alot of these apps sell through the iTunes store for a few bucks each. How many pool/iPhone owners are there?

Here's a link for the Developer software...hint...hint...

http://developer.apple.com/iphone/program/

I SECOND THAT!!!

Great resource and much appreciated. Would be cool to have the SWG on a seperate page though not to confuse us dumb people. LOL

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16,500 Gallon Plaster, Pentair WhisperFlo WF-26 1 1/2 HP Up-Rated Pump, Pentair Clean n Clear 150 Cartridge Filter, BioGuard Mineral Springs MS-10 SWG, Hayward Navigator Cleaner, TF-100 Test Kit, Apollo Magnetic Stirrer

Post subject: Re: The Pool Calculator
Posted: March 19th, 2009, 2:58 pm

Joined: January 17th, 2009, 5:10 pm
Posts: 64
Location: Coastal South Carolina
I too would like to have the pool calculator in an iPhone app.

Right now, I have another question about the calculator. Could you add an estimate of the change in PH as well as the change in TA with addition of baking soda?

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12170 Gallon in ground San Juan Caesar's Palace fiberglass with integral Spa in a screened enclosure. 1 HP Pentair Whisperflow pump with Pentair Sand Dollar SD-80 sand filter. Intellichlor IC40 with EasyTouch wireless remote. Aquacal Heatwave Heat Pump. Taylor K-2006 and Aquachek Salt test strips.

Post subject: Re: The Pool Calculator
Posted: March 19th, 2009, 3:54 pm

Joined: May 7th, 2007, 3:03 pm
Posts: 29847
Location: Silver Spring, MD
The iPhone version is coming "Real Soon Now". It will not be free, but I think you will find it to be an excellent value.

How baking soda changes the pH is now included in the beta version, in the effects of adding chemicals section. Like all of the other PH calculations in that section, the results are approximate.

_________________
19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
TFP Admin. Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

Post subject: Re: The Pool Calculator
Posted: March 19th, 2009, 8:45 pm

Joined: January 17th, 2009, 5:10 pm
Posts: 64
Location: Coastal South Carolina
Thanks for the beta version link Jason, that's perfect. I'll be more than happy to pay for an iPhone app that is as useful as this one. Please post somewhere on the forum when it's available.

Jim

_________________
12170 Gallon in ground San Juan Caesar's Palace fiberglass with integral Spa in a screened enclosure. 1 HP Pentair Whisperflow pump with Pentair Sand Dollar SD-80 sand filter. Intellichlor IC40 with EasyTouch wireless remote. Aquacal Heatwave Heat Pump. Taylor K-2006 and Aquachek Salt test strips.

Post subject: Love the iPhone version
Posted: April 1st, 2009, 7:57 am

Joined: January 17th, 2009, 5:10 pm
Posts: 64
Location: Coastal South Carolina
Jason, the new iPhone version of the pool calculator is great. It makes testing and adjusting my water even easier. Thanks again.

_________________
12170 Gallon in ground San Juan Caesar's Palace fiberglass with integral Spa in a screened enclosure. 1 HP Pentair Whisperflow pump with Pentair Sand Dollar SD-80 sand filter. Intellichlor IC40 with EasyTouch wireless remote. Aquacal Heatwave Heat Pump. Taylor K-2006 and Aquachek Salt test strips.

Post subject: Re: The Pool Calculator
Posted: April 1st, 2009, 10:04 am

Joined: May 7th, 2007, 3:03 pm
Posts: 29847
Location: Silver Spring, MD
You are welcome

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19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
TFP Admin. Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

Post subject: Re: The Pool Calculator
Posted: April 15th, 2009, 1:23 am
 Registered User

Joined: April 15th, 2009, 12:50 am
Posts: 20
Location: Honolulu, Hawaii
Just bought the iPhone version and it is very nice. Glad to have it.

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16K Gallon, Rectangular, All Tile Surface, 14'X24'X5'
1/2HP pump, Sand Filter
FAS-DPD K-2006
Year-Round Use!

Post subject: Re: The Pool Calculator
Posted: April 15th, 2009, 1:03 pm

Joined: September 7th, 2007, 4:56 pm
Posts: 344
Location: Lafayette, Louisiana
Nice job. Now I just have to make sure I don't drop the phone in the pool while I'm out there checking the water...

_________________
Fortune favors the well prepared

The build...
viewtopic.php?t=3974
Freeform 24' x 38' IG gunite. 3 1/2' to 8' deep. 28,500 gallons. AutoPilot Total Control SWCG. Pentair Intelliflo VF. Pentair CCP520 cartridge filter. Colorlogic LED lights. Tahoe Blue Diamond Brite. 1200 sq ft stamped concrete deck.
More details as they happen...

Post subject: Re: The Pool Calculator
Posted: May 31st, 2009, 8:49 pm

Joined: May 2nd, 2008, 8:57 pm
Posts: 26
Location: Virginia Beach, VA
DUDE!!! The Pool Calculator iPhone app is the SHizzNiT!!!

uh, i mean... it's quite useful and handy tool. worth every penny.

_________________
Marc

15x33, 13k, AGP, vinyl, 3/4 HP Pump, Sand Filter, TF-100 test kit.

Post subject: Re: The Pool Calculator
Posted: May 31st, 2009, 10:56 pm
 In The Industry & Supporter

Joined: April 25th, 2009, 11:49 pm
Posts: 420
Can I get the same app for my BB (please???)

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~45Kg Pool with attached Spa, NSP-72 DE, Minmax 400 Heater, Tahoe Blue Pebbletech, Jandy SWG via Aqualink RS-8, The Pool Cleaner (black)
Pumps: X3 Hybrid Pump (switches to SPA), 2HP Spa (additional, when SPA is on), and a 1HP For Waterfall
8, 4x12 Solar Panels on the roof of the pool-house (~12' up)

CAPTAIN JAMES T. KIRK: "I'M SORRY. I CAN'T HEAR YOU OVER THE SOUND OF HOW AWESOME I AM" (Thanks to TFP!)

Post subject: Re: The Pool Calculator
Posted: June 1st, 2009, 8:45 am

Joined: May 7th, 2007, 3:03 pm
Posts: 29847
Location: Silver Spring, MD
Thanks

I will add a Blackberry version to the wish list for possible future support.

_________________
19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
TFP Admin. Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

Post subject: Re: The Pool Calculator
Posted: June 8th, 2009, 10:17 am

Joined: June 13th, 2007, 1:02 pm
Posts: 30
taekwondodo wrote:
Can I get the same app for my BB (please???)

I second that request!

_________________
Hayward S220T Sand Filter, Hayward Max-Flo 1 HP Pump, 14,000 Gal Vinyl Inground

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