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Pool Water Calculator is an all-in-one pool and spa management suite, providing everything you need to quickly balance and maintain pool and spa water chemistry.

Quickly Balance and Maintain Your Pool Chemistry
Chemistry Calculator – Enter current levels and instantly see precise chemical dosages for nearly any concentration (1% to 100%) using our advanced pool calculator.
Pool Volume Calculator – Find the exact volume of your pool, hot tub, or Jacuzzi, ensuring accurate chemical dosing every time.

Track and Visualize Your Water Chemistry
Data Logging – Easily save and edit water test results, chemical additions, and maintenance events.
Flexible Tracking – Record multiple parameters, including pH, free, combined, and total chlorine, bromine, total alkalinity, calcium hardness, CYA, borate, ORP, salt, TDS, nitrate, phosphate, water temperature, CSI, LSI, and turbidity.
Reactive Graphs – Spot trends, identify issues early, and keep your water chemistry on target with visual insights.

Customized to Your Unique Pool or Spa
Tailored Recommendations – Enter your liner type and water profile to get personalized targets for your pool or jacuzzi.
Multiple Profiles – Manage up to five different pools or spas, each with unique chemical levels, treatments, and notes.
Dosing Guide – Understand each parameter’s role in pool chemistry, plus usage tips for the most common pool chemicals.

Broad Chemical Support
Balance your pool or spa with a wide range of standard and customizable chemicals, including:
- Disinfection & Chlorine Options
(Calcium Hypochlorite, Sodium Hypochlorite/Bleach, Dichlor, Trichlor, Lithium Hypochlorite, Bromine Granules)
- pH Adjusters
(Sodium Carbonate, Hydrochloric/Muriatic Acid, Sulfuric Acid, Sodium Hydroxide, Sodium Bisulfate/Dry Acid, Sodium Thiosulfate)
- Alkalinity & Hardness
(Sodium Bicarbonate/Baking Soda, Sodium Carbonate/Washing Soda, Calcium Chloride, Calcium Chloride Dihydrate)
- Stabilizers & Specialty Chemicals
(Cyanuric Acid, Pool Salt, Borax Tetrahydrate, Borax Pentahydrate, Boric Acid, Boron Sodium Oxide Tetrahydrate, PR-10,000)

Seamless Backups and Multi-Language Support
iCloud Integration – Safely back up and restore profiles, water test history, and settings.
Metric & U.S. Units – Switch between units for total flexibility.
Language Support – Available in English, Spanish, and French.

Stop second-guessing your pool chemistry. Download Pool Water Calculator today for stress-free pool and spa management with accurate dosing, precise water balancing, and insightful tracking—all in one intuitive app.

Pool Water Calculator is an all-in-one pool and spa management suite containing the tools and features you need to quickly balance and maintain your pool or spa.

Use the chemistry calculator to quickly find the chemical dosages needed to balance your water. Customize your preferred chemical strengths (1 to 100%) to find precise dosing information for nearly any standard pool chemical.

Save and track your water parameters, chemical additions, and pool maintenance events, or update previous datapoints to fine-tune your water testing records. Create customized chemicals and maintenance items, and share or export your water history.

Visualize your water history through an assortment of beautiful and reactive graphs, enabling you to follow your progress or identify potential problems.

Tailor your water profile and liner type to quickly find the best target recommendations. Customized quality graphs illustrate your pool or jacuzzi's water chemistry in relation to the ideal targets or applicable water chemistry curves, while guidance items will advise you if you're in range or need to take action before problems occur.

Backup or recover your water profile, history, and settings using iCloud. Find your pool volume using the volume calculator.

Manage up to five different pool or spa profiles, with each profile maintaining a unique water chemistry and treatment history, individual chemical targets, custom notes, and pool maintenance records.

The Dosing Guide explains each water quality parameter and its role in balancing your pool chemistry, the treatment chemicals available for adjusting each of these parameters, and instructions on how to add them to your pool or spa.

Use the pool calculator to quickly find dosing information and perform the following calculations:
- Estimate pool volume
- Increase or decrease pH
- Increase or decrease Free Chlorine (including targets for regular maintenance, SLAM, and mustard algae)
- Increase Bromine
- Increase or decrease Total Alkalinity
- Calcium Hardness
- Cyanuric Acid (chlorine stabilizer)
- Borates
- Salt Water
- Calcium Saturation Index
- Langelier Saturation Index
- Decrease Phosphate

Pool Water Calculator provides dosing information for the following pool chemicals:
- Borax Tetrahydrate
- Borax Pentahydrate
- Boric Acid
- Boron Sodium Oxide Tetrahydrate
- Bromine Granules
- Calcium Chloride (1% to 100%)
- Calcium Chloride Dihydrate (1% to 100%)
- Calcium Hypochlorite (1% to 100%)
- Cyanuric Acid / Stabilizer
- Dichlor
- Hydrochloric / Muriatic Acid (1% to 100%)
- Lithium Hypochlorite
- Pool Salt
- Sodium Bicarbonate / Baking Soda
- Sodium Bisulfate / Dry Acid (1% to 100%)
- Sodium Carbonate / Washing Soda
- Sodium Hydroxide (1% to 100%)
- Sodium Hypochlorite / Bleach (1% to 100%)
- Sodium Thiosulfate
- Sulfuric Acid (1% to 100%)
- Trichlor
- PR-10,000

Pool Water Calculator also enables you to track and graph historical data for the following water quality parameters:
- pH
- Free Chlorine
- Combined Chlorine
- Total Chlorine
- Bromine
- Total Alkalinity
- Calcium Hardness
- Cyanuric Acid
- Borate
- ORP
- Copper (for ionized pools)
- Salt
- Total Dissolved Solids
- Nitrate
- Phosphate
- Water Temperature
- Calcium Saturation Index
- Langelier Saturation Index
- Turbidity

App supports both Metric and U.S units and date formats, as well as language support for English, Spanish, and French.

Pool Water Calculator is an all-in-one pool and spa management suite containing the tools and features you need to quickly balance and maintain your pool or spa.

Use the chemistry calculator to quickly find the chemical dosages needed to balance your water. Customize your preferred chemical strengths (1 to 100%) to find precise dosing information for nearly any standard pool chemical.

Save and track your water parameters, chemical additions, and pool maintenance events, or update previous datapoints to fine-tune your water testing records. Create customized chemicals and maintenance items, and share or export your water history.

Visualize your water history through an assortment of beautiful and reactive graphs, enabling you to follow your progress or identify potential problems.

Tailor your water profile and liner type to quickly find the best target recommendations. Customized quality graphs illustrate your pool or jacuzzi's water chemistry in relation to the ideal targets or applicable water chemistry curves, while guidance items will advise you if you're in range or need to take action before problems occur.

Backup or recover your water profile, history, and settings using iCloud. Find your pool volume using the volume calculator.

Manage up to five different pool or spa profiles, with each profile maintaining a unique water chemistry and treatment history, individual chemical targets, custom notes, and pool maintenance records.

The Dosing Guide explains each water quality parameter and its role in balancing your pool chemistry, the treatment chemicals available for adjusting each of these parameters, and instructions on how to add them to your pool or spa.

Use the pool calculator to quickly find dosing information and perform the following calculations:
- Estimate pool volume
- Increase or decrease pH
- Increase or decrease Free Chlorine (including targets for regular maintenance, SLAM, and mustard algae)
- Increase Bromine
- Increase or decrease Total Alkalinity
- Calcium Hardness
- Cyanuric Acid (chlorine stabilizer)
- Borates
- Salt Water
- Calcium Saturation Index
- Langelier Saturation Index
- Decrease Phosphate

Pool Water Calculator provides dosing information for the following pool chemicals:
- Borax Tetrahydrate
- Borax Pentahydrate
- Boric Acid
- Boron Sodium Oxide Tetrahydrate
- Bromine Granules
- Calcium Chloride (1% to 100%)
- Calcium Chloride Dihydrate (1% to 100%)
- Calcium Hypochlorite (1% to 100%)
- Cyanuric Acid / Stabilizer
- Dichlor
- Hydrochloric / Muriatic Acid (1% to 100%)
- Lithium Hypochlorite
- Pool Salt
- Sodium Bicarbonate / Baking Soda
- Sodium Bisulfate / Dry Acid (1% to 100%)
- Sodium Carbonate / Washing Soda
- Sodium Hydroxide (1% to 100%)
- Sodium Hypochlorite / Bleach (1% to 100%)
- Sodium Thiosulfate
- Sulfuric Acid (1% to 100%)
- Trichlor
- PR-10,000

Pool Water Calculator also enables you to track and graph historical data for the following water quality parameters:
- pH
- Free Chlorine
- Combined Chlorine
- Total Chlorine
- Bromine
- Total Alkalinity
- Calcium Hardness
- Cyanuric Acid
- Borate
- ORP
- Copper (for ionized pools)
- Salt
- Total Dissolved Solids
- Nitrate
- Phosphate
- Water Temperature
- Calcium Saturation Index
- Langelier Saturation Index
- Turbidity

App supports both Metric and U.S units and date formats, as well as language support for English, Spanish, and French.

Pool Water Calculator is an all-in-one pool and spa management suite containing the tools and features you need to quickly balance and maintain your pool or spa.

Use the chemistry calculator to quickly find the chemical dosages needed to balance your water. Customize your preferred chemical strengths (1 to 100%) to find precise dosing information for nearly any standard pool chemical.

Save and track your water parameters, chemical additions, and pool maintenance events, or update previous datapoints to fine-tune your water testing records. Create customized chemicals and maintenance items, and share or export your water history.

Visualize your water history through an assortment of beautiful and reactive graphs, enabling you to follow your progress or identify potential problems.

Tailor your water profile and liner type to quickly find the best target recommendations. Customized quality graphs illustrate your pool or jacuzzi's water chemistry in relation to the ideal targets or applicable water chemistry curves, while guidance items will advise you if you're in range or need to take action before problems occur.

Backup or recover your water profile, history, and settings using iCloud. Find your pool volume using the volume calculator.

Manage up to five different pool or spa profiles, with each profile maintaining a unique water chemistry and treatment history, individual chemical targets, custom notes, and pool maintenance records.

The Dosing Guide explains each water quality parameter and its role in balancing your pool chemistry, the treatment chemicals available for adjusting each of these parameters, and instructions on how to add them to your pool or spa.

Use the pool calculator to quickly find dosing information and perform the following calculations:
- Estimate pool volume
- Increase or decrease pH
- Increase or decrease Free Chlorine (including targets for regular maintenance, SLAM, and mustard algae)
- Increase Bromine
- Increase or decrease Total Alkalinity
- Calcium Hardness
- Cyanuric Acid (chlorine stabilizer)
- Borates
- Salt Water
- Calcium Saturation Index
- Langelier Saturation Index
- Decrease Phosphate

Pool Water Calculator provides dosing information for the following pool chemicals:
- Borax Tetrahydrate
- Borax Pentahydrate
- Boric Acid
- Boron Sodium Oxide Tetrahydrate
- Bromine Granules
- Calcium Chloride (1% to 100%)
- Calcium Chloride Dihydrate (1% to 100%)
- Calcium Hypochlorite (1% to 100%)
- Cyanuric Acid / Stabilizer
- Dichlor
- Hydrochloric / Muriatic Acid (1% to 100%)
- Lithium Hypochlorite
- Pool Salt
- Sodium Bicarbonate / Baking Soda
- Sodium Bisulfate / Dry Acid (1% to 100%)
- Sodium Carbonate / Washing Soda
- Sodium Hydroxide (1% to 100%)
- Sodium Hypochlorite / Bleach (1% to 100%)
- Sodium Thiosulfate
- Sulfuric Acid (1% to 100%)
- Trichlor
- PR-10,000

Pool Water Calculator also enables you to track and graph historical data for the following water quality parameters:
- pH
- Free Chlorine
- Combined Chlorine
- Total Chlorine
- Bromine
- Total Alkalinity
- Calcium Hardness
- Cyanuric Acid
- Borate
- ORP
- Copper (for ionized pools)
- Salt
- Total Dissolved Solids
- Nitrate
- Phosphate
- Water Temperature
- Calcium Saturation Index
- Langelier Saturation Index
- Turbidity

App supports both Metric and U.S units and date formats, as well as language support for English, Spanish, and French.

Pool Water Calculator provides all the tools and features you need to quickly balance and maintain your pool or spa.

Use the chemistry calculator to quickly find the chemical dosages needed to balance your water. Customize your preferred chemical strengths (1 to 100%) to find precise dosing information for nearly any standard pool chemical.

Save and track your water parameters, chemical additions, and pool maintenance events, or update previous datapoints to fine-tune your water testing records. Create customized chemicals and maintenance items, and share or export your water history.

Visualize your water history through an assortment of beautiful and reactive graphs, enabling you to follow your progress or identify potential problems.

Tailor your water profile and liner type to quickly find the best target recommendations. Customized quality graphs illustrate your pool or jacuzzi's water chemistry in relation to the ideal targets or applicable water chemistry curves, while guidance items will advise you if you're in range or need to take action before problems occur.

Backup or recover your water profile, history, and settings using iCloud. Find your pool volume using the volume calculator.

Manage up to five different pool or spa profiles, with each profile maintaining a unique water chemistry and treatment history, individual chemical targets, custom notes, and pool maintenance records.

The Dosing Guide explains each water quality parameter and its role in balancing your pool chemistry, the treatment chemicals available for adjusting each of these parameters, and instructions on how to add them to your pool or spa.

Use the pool calculator to quickly find dosing information and perform the following calculations:
- Estimate pool volume
- Increase or decrease pH
- Increase or decrease Free Chlorine (including targets for regular maintenance, SLAM, and mustard algae)
- Increase Bromine
- Increase or decrease Total Alkalinity
- Calcium Hardness
- Cyanuric Acid (chlorine stabilizer)
- Borates
- Salt Water
- Calcium Saturation Index
- Langelier Saturation Index

Pool Water Calculator provides dosing information for the following pool chemicals:
- Borax Tetrahydrate
- Borax Pentahydrate
- Boric Acid
- Boron Sodium Oxide Tetrahydrate
- Bromine Granules
- Calcium Chloride (1% to 100%)
- Calcium Chloride Dihydrate (1% to 100%)
- Calcium Hypochlorite (1% to 100%)
- Cyanuric Acid / Stabilizer
- Dichlor
- Hydrochloric / Muriatic Acid (1% to 100%)
- Lithium Hypochlorite
- Pool Salt
- Sodium Bicarbonate / Baking Soda
- Sodium Bisulfate / Dry Acid (1% to 100%)
- Sodium Carbonate / Washing Soda
- Sodium Hydroxide (1% to 100%)
- Sodium Hypochlorite / Bleach (1% to 100%)
- Sodium Thiosulfate
- Sulfuric Acid (1% to 100%)
- Trichlor

Pool Water Calculator also enables you to track and graph historical data for the following water quality parameters:
- pH
- Free Chlorine
- Combined Chlorine
- Total Chlorine
- Bromine
- Total Alkalinity
- Calcium Hardness
- Cyanuric Acid
- Borate
- ORP
- Copper (for ionized pools)
- Salt
- Total Dissolved Solids
- Nitrate
- Phosphate
- Water Temperature
- Calcium Saturation Index
- Langelier Saturation Index

App supports both Metric and U.S units and date formats, as well as language support for English, Spanish, and French.

Pool Water Calculator provides all the tools and features you need to quickly balance and maintain your pool or spa.

Use the chemistry calculator to quickly find the chemical dosages needed to balance your water. Customize your preferred chemical strengths (1 to 100%) to find precise dosing information for nearly any standard pool chemical.

Save and track your water parameters, chemical additions, and pool maintenance events, or update previous datapoints to fine-tune your water testing records. Create customized chemicals and maintenance items, and share or export your water history.

Visualize your water history through an assortment of beautiful and reactive graphs, enabling you to follow your progress or identify potential problems.

Tailor your water profile and liner type to quickly find the best target recommendations. Customized quality graphs illustrate your pool or jacuzzi's water chemistry in relation to the ideal targets or applicable water chemistry curves, while guidance items will advise you if you're in range or need to take action before problems occur.

Backup or recover your water profile, history, and settings using iCloud. Find your pool volume using the volume calculator.

Manage up to five different pool or spa profiles, with each profile maintaining a unique water chemistry and treatment history, individual chemical targets, custom notes, and pool maintenance records.

The Dosing Guide explains each water quality parameter and its role in balancing your pool chemistry, the treatment chemicals available for adjusting each of these parameters, and instructions on how to add them to your pool or spa.

Use the pool calculator to quickly find dosing information and perform the following calculations:
- Estimate pool volume
- Increase or decrease pH
- Increase or decrease Free Chlorine (including targets for regular maintenance, SLAM, and mustard algae)
- Increase Bromine
- Increase or decrease Total Alkalinity
- Calcium Hardness
- Cyanuric Acid (chlorine stabilizer)
- Borates
- Salt Water
- Calcium Saturation Index
- Langelier Saturation Index

Pool Water Calculator provides dosing information for the following pool chemicals:
- Borax Tetrahydrate
- Borax Pentahydrate
- Boric Acid
- Boron Sodium Oxide Tetrahydrate
- Bromine Granules
- Calcium Chloride (1% to 100%)
- Calcium Chloride Dihydrate (1% to 100%)
- Calcium Hypochlorite (1% to 100%)
- Cyanuric Acid / Stabilizer
- Dichlor
- Hydrochloric / Muriatic Acid (1% to 100%)
- Lithium Hypochlorite
- Pool Salt
- Sodium Bicarbonate / Baking Soda
- Sodium Bisulfate / Dry Acid (1% to 100%)
- Sodium Carbonate / Washing Soda
- Sodium Hydroxide (1% to 100%)
- Sodium Hypochlorite / Bleach (1% to 100%)
- Sodium Thiosulfate
- Sulfuric Acid (1% to 100%)
- Trichlor

Pool Water Calculator also enables you to track and graph historical data for the following water quality parameters:
- pH
- Free Chlorine
- Combined Chlorine
- Total Chlorine
- Bromine
- Total Alkalinity
- Calcium Hardness
- Cyanuric Acid
- Borate
- ORP
- Copper (for ionized pools)
- Salt
- Total Dissolved Solids
- Nitrate
- Phosphate
- Water Temperature
- Calcium Saturation Index
- Langelier Saturation Index

App supports both Metric and U.S units and date formats, as well as language support for English, Spanish, and French.

Pool Water Calculator provides all the tools and features you need to quickly balance and maintain your pool or spa.

Use the chemistry calculator to quickly find the chemical dosages needed to balance your water. Customize your preferred chemical strengths (1 to 100%) to find precise dosing information for nearly any standard pool chemical.

Save and track your water parameters, chemical additions, and pool maintenance events, or update previous datapoints to fine-tune your water testing records. Create customized chemicals and maintenance items, and share or export your water history.

Visualize your water history through an assortment of beautiful and reactive graphs, enabling you to follow your progress or identify potential problems.

Tailor your water profile and liner type to quickly find the best target recommendations. Customized quality graphs illustrate your pool or jacuzzi's water chemistry in relation to the ideal targets or applicable water chemistry curves, while guidance items will advise you if you're in range or need to take action before problems occur.

Backup or recover your water profile, history, and settings using iCloud. Find your pool volume using the volume calculator.

Manage up to five different pool or spa profiles, with each profile maintaining a unique water chemistry and treatment history, individual chemical targets, custom notes, and pool maintenance records.

The Dosing Guide explains each water quality parameter and its role in balancing your pool chemistry, the treatment chemicals available for adjusting each of these parameters, and instructions on how to add them to your pool or spa.

Use the pool calculator to quickly find dosing information and perform the following calculations:
- Estimate pool volume
- Increase or decrease pH
- Increase or decrease Free Chlorine (including targets for regular maintenance, SLAM, and mustard algae)
- Increase Bromine
- Increase or decrease Total Alkalinity
- Calcium Hardness
- Cyanuric Acid (chlorine stabilizer)
- Borates
- Salt Water
- Calcium Saturation Index
- Langelier Saturation Index

Pool Water Calculator provides dosing information for the following pool chemicals:
- Borax Tetrahydrate
- Borax Pentahydrate
- Boric Acid
- Boron Sodium Oxide Tetrahydrate
- Bromine Granules
- Calcium Chloride (1% to 100%)
- Calcium Chloride Dihydrate (1% to 100%)
- Calcium Hypochlorite (1% to 100%)
- Cyanuric Acid / Stabilizer
- Dichlor
- Hydrochloric / Muriatic Acid (1% to 100%)
- Lithium Hypochlorite
- Pool Salt
- Sodium Bicarbonate / Baking Soda
- Sodium Bisulfate / Dry Acid (1% to 100%)
- Sodium Carbonate / Washing Soda
- Sodium Hydroxide (1% to 100%)
- Sodium Hypochlorite / Bleach (1% to 100%)
- Sodium Thiosulfate
- Sulfuric Acid (1% to 100%)
- Trichlor

Pool Water Calculator also enables you to track and graph historical data for the following water quality parameters:
- pH
- Free Chlorine
- Combined Chlorine
- Total Chlorine
- Bromine
- Total Alkalinity
- Calcium Hardness
- Cyanuric Acid
- Borate
- ORP
- Copper (for ionized pools)
- Salt
- Total Dissolved Solids
- Nitrate
- Phosphate
- Water Temperature
- Calcium Saturation Index
- Langelier Saturation Index

App supports both Metric and U.S units and date formats, as well as language support for English, Spanish, and French.

Pool Water Calculator provides all the tools and features you need to quickly balance and maintain your pool or spa.

Use the chemistry calculator to quickly find the chemical dosages needed to balance your water. Customize your preferred chemical strengths (1 to 100%) to find precise dosing information for nearly any standard pool chemical.

Save and track your water parameters, chemical additions, and pool maintenance events, or update previous datapoints to fine-tune your water testing records. Create customized chemicals and maintenance items, and share or export your water history.

Visualize your water history through an assortment of beautiful and reactive graphs, enabling you to follow your progress or identify potential problems.

Tailor your water profile and liner type to quickly find the best target recommendations. Customized quality graphs illustrate your pool or jacuzzi's water chemistry in relation to the ideal targets or applicable water chemistry curves, while guidance items will advise you if you're in range or need to take action before problems occur.

Backup or recover your water profile, history, and settings using iCloud. Find your pool volume using the volume calculator.

Manage up to five different pool or spa profiles, with each profile maintaining a unique water chemistry and treatment history, individual chemical targets, custom notes, and pool maintenance records.

The Dosing Guide explains each water quality parameter and its role in balancing your pool chemistry, the treatment chemicals available for adjusting each of these parameters, and instructions on how to add them to your pool or spa.

Use the pool calculator to quickly find dosing information and perform the following calculations:
- Estimate pool volume
- Increase or decrease pH
- Increase or decrease Free Chlorine (including targets for regular maintenance, SLAM, and mustard algae)
- Increase Bromine
- Increase or decrease Total Alkalinity
- Calcium Hardness
- Cyanuric Acid (chlorine stabilizer)
- Borates
- Salt Water
- Calcium Saturation Index
- Langelier Saturation Index

Pool Water Calculator provides dosing information for the following pool chemicals:
- Borax Tetrahydrate
- Borax Pentahydrate
- Boric Acid
- Boron Sodium Oxide Tetrahydrate
- Bromine Granules
- Calcium Chloride (1% to 100%)
- Calcium Chloride Dihydrate (1% to 100%)
- Calcium Hypochlorite (1% to 100%)
- Cyanuric Acid / Stabilizer
- Dichlor
- Hydrochloric / Muriatic Acid (1% to 100%)
- Lithium Hypochlorite
- Pool Salt
- Sodium Bicarbonate / Baking Soda
- Sodium Bisulfate / Dry Acid (1% to 100%)
- Sodium Carbonate / Washing Soda
- Sodium Hydroxide (1% to 100%)
- Sodium Hypochlorite / Bleach (1% to 100%)
- Sodium Thiosulfate
- Sulfuric Acid (1% to 100%)
- Trichlor

Pool Water Calculator also enables you to track and graph historical data for the following water quality parameters:
- pH
- Free Chlorine
- Combined Chlorine
- Total Chlorine
- Bromine
- Total Alkalinity
- Calcium Hardness
- Cyanuric Acid
- Borate
- ORP
- Copper (for ionized pools)
- Salt
- Total Dissolved Solids
- Nitrate
- Phosphate
- Water Temperature
- Calcium Saturation Index
- Langelier Saturation Index

App supports both Metric and U.S units and date formats, as well as language support for English, Spanish, and French.

Pool Water Calculator provides all the tools and features you need to quickly balance and maintain your pool or spa.

Use the chemistry calculator to quickly find the chemical dosages needed to balance your water. Customize your preferred chemical strengths (1 to 100%) to find precise dosing information for nearly any standard pool chemical.

Save and track your water parameters, chemical additions, and pool maintenance events, or update previous datapoints to fine-tune your water testing records. Create customized chemicals and maintenance items, and share or export your water history.

Visualize your water history through an assortment of beautiful and reactive graphs, enabling you to follow your progress or identify potential problems.

Tailor your water profile and liner type to quickly find the best target recommendations. Customized quality graphs illustrate your pool or jacuzzi's water chemistry in relation to the ideal targets or applicable water chemistry curves, while guidance items will advise you if you're in range or need to take action before problems occur.

Backup or recover your water profile, history, and settings using iCloud. Find your pool volume using the volume calculator.

Manage up to five different pool or spa profiles, with each profile maintaining a unique water chemistry and treatment history, individual chemical targets, custom notes, and pool maintenance records.

The Dosing Guide explains each water quality parameter and its role in balancing your pool chemistry, the treatment chemicals available for adjusting each of these parameters, and instructions on how to add them to your pool or spa.

Use the pool calculator to quickly find dosing information and perform the following calculations:
- Estimate pool volume
- Increase or decrease pH
- Increase or decrease Free Chlorine (including targets for regular maintenance, SLAM, and mustard algae)
- Increase Bromine
- Increase or decrease Total Alkalinity
- Calcium Hardness
- Cyanuric Acid (chlorine stabilizer)
- Borates
- Salt Water
- Calcium Saturation Index
- Langelier Saturation Index

Pool Water Calculator provides dosing information for the following pool chemicals:
- Borax Tetrahydrate
- Borax Pentahydrate
- Boric Acid
- Boron Sodium Oxide Tetrahydrate
- Bromine Granules
- Calcium Chloride (1% to 100%)
- Calcium Chloride Dihydrate (1% to 100%)
- Calcium Hypochlorite (1% to 100%)
- Cyanuric Acid / Stabilizer
- Dichlor
- Hydrochloric / Muriatic Acid (1% to 100%)
- Lithium Hypochlorite
- Pool Salt
- Sodium Bicarbonate / Baking Soda
- Sodium Bisulfate / Dry Acid (1% to 100%)
- Sodium Carbonate / Washing Soda
- Sodium Hydroxide (1% to 100%)
- Sodium Hypochlorite / Bleach (1% to 100%)
- Sodium Thiosulfate
- Sulfuric Acid (1% to 100%)
- Trichlor

Pool Water Calculator also enables you to track and graph historical data for the following water quality parameters:
- pH
- Free Chlorine
- Combined Chlorine
- Total Chlorine
- Bromine
- Total Alkalinity
- Calcium Hardness
- Cyanuric Acid
- Borate
- ORP
- Copper (for ionized pools)
- Salt
- Total Dissolved Solids
- Nitrate
- Phosphate
- Water Temperature
- Calcium Saturation Index
- Langelier Saturation Index

App supports both Metric and U.S units and date formats, as well as language support for English, Spanish, and French.