Chemical Tracking & LSI

Pool Chemical Log Software

Ditch the clipboard and paper chemical logs. Skimlog lets your technicians log chlorine, pH, alkalinity, and every other reading with simple sliders on their phone — and instantly calculates the Langelier Saturation Index so you know if the water is balanced before you leave the property.

Every reading is timestamped, GPS-tagged, and stored permanently. Pull up any pool's full chemical history, spot trends with interactive charts, and share professional reports with customers automatically. No more lost logs, no more guessing what happened last visit, and no more compliance headaches.

No credit card required • 14-day free trial

Pool chemical log software showing slider-based chemical entry with LSI calculation and trend charts

10+

Chemical parameters tracked

Instant

LSI calculation

100%

Paperless compliance

How Chemical Logging Works

Log, calculate, and share — in under 30 seconds per pool.

Step 1

Test & Log Readings

Test the water, then slide each parameter to the reading on your phone. Free chlorine, pH, alkalinity, CYA, calcium, salt — all in one screen.

Step 2

Get LSI & Dosing Advice

Skimlog calculates the LSI instantly and recommends exact chemical doses to bring the water into balance. No more mental math.

Step 3

Store & Share Reports

Readings are saved permanently with timestamps and GPS. Customers get automated email reports. Export CSV/PDF for inspections.

Replace your clipboard with accurate digital logs

Join 500+ pool pros who never lose a chemical reading again.

Complete Chemical Tracking for Pool Pros

Slider-Based Entry

No tiny text fields. Slide to your reading for free chlorine, pH, alkalinity, CYA, calcium, salt, phosphates, TDS, and temperature.

Automatic LSI Calculation

The Langelier Saturation Index is calculated in real time as you log readings. See instantly whether the water is corrosive, balanced, or scale-forming.

Dosing Recommendations

Skimlog suggests the exact amount of chemicals to add based on pool volume and current readings. No more guesswork or manual charts.

Photo Documentation

Attach before-and-after photos to every service. Photos are GPS-tagged and timestamped for your records and customer trust.

Trend Charts & History

View any pool's full chemistry history on interactive charts. Spot trends in chlorine demand, pH drift, or calcium buildup over weeks and months.

Automated Customer Reports

Service reports with all chemical readings, photos, and notes are emailed to the customer automatically after each visit.

Frequently Asked Questions

What chemicals does Skimlog track?

Free chlorine, combined chlorine, pH, alkalinity, calcium hardness, CYA, salt, phosphates, TDS, and water temperature. It calculates LSI automatically from your readings.

How does the LSI calculator work?

After logging pH, temperature, alkalinity, calcium hardness, and TDS, Skimlog calculates the LSI value and shows whether the water is corrosive, balanced, or scale-forming — plus dosing suggestions.

Can customers see their chemical logs?

Yes. The customer portal shows full chemical history with trend charts. You can also send automated email reports after every service visit.

Does it replace paper logs for health department compliance?

Yes. Timestamped, GPS-tagged digital records satisfy compliance requirements. Export history as CSV or PDF for inspections.

Can I log chemicals offline?

Yes. Skimlog works fully offline — log readings, add photos, and complete services without cell service. Data syncs when connectivity returns.

Accurate chemical logs, every pool, every visit

Start your free 14-day trial and go paperless this week.

Start free trial

No credit card required