Pool chemistry
made simple

Track water chemistry, get instant guidance, maintain crystal-clear pools.

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Key features

Everything you need to maintain your pool

Works like a native app

Add to your home screen and use it like any other app. Your data stays on your device. Track chemistry anywhere, even without internet.

Add to Home Screen

Clear guidance

Understand FC, pH, CYA and balance your water chemistry.

Safe to swim status
Chemical dosing calculator
Step-by-step explanations

Daily maintenance

Track daily tasks with simple checklists. Never miss maintenance.

Fast

Log readings in seconds. No loading.

Track trends

Visualize changes over time.

From problem to balanced

Real chemistry analysis and actionable guidance.

Day 1 - Before

Unbalanced Pool

Not safe to swim

Pool Chemistry Facts

Free Chlorine (FC)
0.7 ppm
pH Level
8.0
Stabilizer (CYA)
37 ppm
Alkalinity (TA)
47 ppm
Calcium (CH)
199 ppm
Verdict
FC is dangerously low (0.7 ppm). Risk of bacteria and algae growth.
Day 30 - After

Perfectly Balanced

Safe to swim

Pool Chemistry Facts

Free Chlorine (FC)
2.8 ppm
pH Level
7.4
Stabilizer (CYA)
48 ppm
Alkalinity (TA)
102 ppm
Calcium (CH)
251 ppm
Verdict

30-day progress

Track every parameter as your water improves

Free Chlorine (FC)
Target: 3.0 ppm
Day 1: 0.7Day 30: 2.8
pH Level
Target: 7.5
Day 1: 8.0Day 30: 7.4
Total Alkalinity (TA)
Target: 100 ppm
Day 1: 47Day 30: 102
Days 1-10
Dangerous
Days 11-20
Following
Days 21-30
Perfect

Step by step

Follow the guidance to improve your water chemistry.

Day 1

Pool Disaster

Cloudy water. Eyes burning. Something's wrong but you don't know what.

Chlorine way too low (0.8 ppm)
pH dangerously high (8.2)
NOT SAFE TO SWIM
Green & Cloudy
Day 15

Following Guidance

Poolometer tells you exactly what to add and when. No guesswork.

Chlorine improving (2.1 ppm)
pH coming down (7.6)
Almost there...
?
Clearing Up
Day 30

Crystal Clear

Every parameter perfect. Water so clear you can count the tiles at the bottom.

Perfect chlorine (3.0 ppm)
Ideal pH (7.5)
100% SAFE TO SWIM
Perfect & Sparkling

Pricing

Start free. Upgrade for cloud sync and unlimited history.

Free Forever

Free

$0
always free
  • Complete chemistry testing
  • Rolling 3-day history
  • Smart insights
  • 1 pool
  • 2 Pool Passes
  • Task checklists
  • Dosing calculator
  • Pool playbooks
Get Started
Most Popular

Pro Monthly

$1/month
billed monthly
  • Everything in Free
  • Unlimited history
  • Unlimited pools
  • Cloud sync & backup
  • Unlimited Pool Passes
  • CSV export
  • Webhooks
  • Advanced analytics
  • Priority support
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Best Value

Pro Annual

$9/year
save $3 per year
  • Everything in Free
  • Unlimited history
  • Unlimited pools
  • Cloud sync & backup
  • Unlimited Pool Passes
  • CSV export
  • Webhooks
  • Advanced analytics
  • Priority support
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One-Time

Pro Lifetime

$19
pay once, own forever
  • Everything in Free
  • Unlimited history
  • Unlimited pools
  • Cloud sync & backup
  • Unlimited Pool Passes
  • CSV export
  • Webhooks
  • Advanced analytics
  • Priority support
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Coming Soon

Automatic Sensor Integration

Your pool sensors will soon sync seamlessly with Poolometer. Test less, know more.

Consumer Sensors

  • IOpool EcO - Open API with WiFi gateway
  • BluRiiot Blue Connect Plus - Professional dashboard
  • WaterGuru Sense - Continuous monitoring

Professional Systems

  • Hayward OmniLogic - Full automation system
  • Pentair IntelliChem - Chemical controller
  • Hayward AquaPod - Smart monitoring pod

How it will work

1. Auto-sync

Connect once, readings flow automatically

2. Smart analysis

Same chemistry insights, zero manual entry

3. Stay informed

Get alerts when action is needed

Have a sensor we don't support yet?

Email us at [email protected] and we'll prioritize it. We're building integrations based on what you use.

Dive into crystal
clear water

Start tracking your pool today. Free forever.

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