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Pooli SCAN phone mockup. Card Detected, live computer-vision overlays on the test strip, and Scan Results for TH, TC, FC, pH, TA, and CY. Caption: Pooli SCAN takes the guesswork out of chemical testing and makes pool care easier than ever.

Accurate while you hold the strip

Pooli SCAN

Real-time, accurate strip reading. On the glass.

Put the strip in frame. Pooli SCAN detects the card and reads the pads with computer vision while you hold it: hardness, total chlorine, free chlorine, pH, total alkalinity, cyanuric acid. You watch the result land. You do not mail a photo off and wait.

Live overlays on the pads. A tighter match when the light is tricky.

Scan Results stays on screen as the camera tracks the strip: TH, TC, FC, pH, TA, CY. Rescan or see the results from the same view. The Color Correct Card gives the camera a known reference under garage light, shade, and sun. It lives in Pool Club, with the scanner.

The scan opens the water report.

Where each number sits against your targets, what to add, in what order, and when the pool is ready to swim. Type a kit result instead if you would rather not scan. Same report either way.

  • Any number of pools and hot tubs
  • Reading range bars against your targets
  • Lookback so one incomplete test still builds a full water picture
  • Share a test by email, text, or copy
  • Optional test color styles, matched to strips or generic

After the scan

The water report picks the next move.

Color shows what is off. Fix names the product and the cups. You see the ppm change, a target adjusted for CYA, and when it is safe to swim.

Pooli water report with color-coded test results. Low total chlorine is marked in red, with the target range and a Fix button.
Pooli dose sheet for low total chlorine. Cal-Hypo 68 percent, 2 cups, a 2.7 ppm raise, a target adjusted for CYA, and a button to log the dose.
Pooli treatment card. Add 2 cups of Cal-Hypo 68 percent so total chlorine moves from 0.3 ppm to 3 ppm, with swim timing when free chlorine is back in range.

Color-coded, with Fix on the card

Weather, then a follow-up

Most advanced pool AI

A weather report, then the questions you actually have.

Percy writes a weather impact report for the pool in front of you. Heat, rain, humidity, and the week ahead sit next to how that water is maintained.

  • Forecast read against your logs, not a city-wide tip
  • What the week is likely to do to sanitizer and pH
  • On by default for Pool Club members

Follow-up questions are the product.

The report is the start of a conversation. Ask Percy to tailor it: shock before the rain or after, whether to brush, when the filter can wait. The same follow-up pattern is on algae and cloudiness scans.

It ends as guidance, not a paragraph.

What to add, what to hold, when to retest. That loop, weather into a question into a dose, is what we mean by the most advanced pool AI.

Weather reports and Percy follow-ups are Pool Club features. Core logging, dosing math, and maintenance tracking stay in the free app.

My Inventory in Pooli with monthly consumable cost at the top and monthly usage plus monthly cost on each priced chemical.

Monthly consumable cost

Monthly consumable cost on My Inventory. The dollars on screen are one owner’s log, not a target bill.

Cost tracking

The monthly cost of the chemicals you actually use.

My Inventory is the stock list. Price an item and Pooli can show what it cost this month. Priced rows roll into one monthly consumable cost at the top.

Usage and cost, on the chemical.

Each row can show what’s left, monthly usage, and monthly cost. Enzyme, test strips, cal-hypo, tablets. No price yet? Usage still logs. The dollar stays empty until you add one. Guessing a price to make the total look finished is how a blog range becomes a budget.

Same record as the rest of the shed.

  • Location on the item, so the right bucket is the one you open
  • Low-stock alerts, catalog and custom products
  • SpinDisk and strip use can deduct on their own
  • Pool Club: usage and cost by pool, and a CSV export

How to turn this screen into a yearly chemical cost

Treatments & dosing

Recipes respect the order chemicals should go in, then tell you what happens after the dose.

  • Proper order of addition
  • Wait times for the next chemical, a retest, or swim-ready, plus separation tips
  • Nudge toward your preferred target when a reading is already in range
  • Clearer warnings when a full dose would push another parameter out
  • Treatment progress: remaining dose, completion, awaiting retest
  • Guided bromine care, including oxidation shock when needed
  • Optional balancing targets and clearer dose-unit conversions

Water balance & CSI

A Calcite Saturation Index for scale and etch tendency on plaster and related surfaces. Pooli uses a practical pool-water saturation index derived from established LSI/CSI work and adapted for swimming pool chemistry.

  • Primary CSI guidance, with optional conventional LSI for comparison
  • Lookback for missing CSI inputs from prior tests
  • Optional magnesium and TDS; salt stands in for dissolved solids when TDS is absent
  • Input confidence when a value is measured, looked back, estimated, or defaulted

Read Pooli CSI Methodology v1.0

Feeders & equipment

The shed is more than jugs. Equipment history sits on the same pool.

  • Chlorine or bromine feeder tracking, with history and sanitizer overlays
  • Filter pressure baselines and maintenance overlays
  • Salt system and equipment charts with selectable time ranges
  • Custom product reminders with multiple schedules and strengths

Offline, sync & Percy

The phone keeps working at the equipment pad. Assistance is there when you want a second opinion.

  • On-device database for pools, reminders, inventory, and logs
  • Sync when you reconnect
  • Percy follow-ups on weather impact, and on algae and cloudiness scans
  • CYA lookback for chlorine targets when auto-adjust for CYA is on
  • Ask Pooli community, plus Pool Club benefits for members

Built-in calculators

  • Total and free chlorine
  • pH and total alkalinity, including adjusted alkalinity
  • Cyanuric acid and stabilizer guidance
  • Calcite Saturation Index (CSI)
  • Volume, dose, and the rest of the pool math

Watch

See the loop in a few minutes.

A walkthrough of Pooli for owners. Inventory, the water report, and release spotlights are on the video page when you want a single feature.

All video guides

Get Pooli

Free to download. Scanning, weather AI, and the deeper reports live in Pool Club.

For pool service companies, view Pooli Pro features.

What pool owners are saying

“TBH, this app has made the stress and confusion of maintaining a pool for the first time - a non issue. A legit 5*s!”

SNARE, first-time owner

“I am a mom of 4 kids, not a professional. This has SAVED me! I tell every pool owner I meet about this app and how I love that it has enough free features so I don't have to spend MORE $ on the pool!!”

phantom365ak47, family pool owner

“Great app to keep you on top of your tasks. We let go of our pool company who only came once every two weeks and was just overdosing our pool with chlorine to keep it clear. Using Pooli, we've got our water easily balanced.”

Kelly, pool owner

“I have been the owner of a hot tub for about seven years now. I found this app, loaded it and was pretty amazed at how easy it is to use. I was able to balance my water perfectly with a few chemicals I had.”

Runner 1979, hot tub owner

“It's well developed, easy to use, never crashes, it gives perfect suggestions for how much chem to add to my pool, you implement suggestions quickly, respond quickly, and that's all well worth it to me.”

Chris, pool owner

“Sanity Saver!!! I use a titration test bc I feel like there is too much error in strip test scanning. I LOVE that it allows me to customize what tests and what brand products I use.”

SaHoppa, pool owner