Stop testing. Stop guessing. Start relaxing.

The AutoChlorinator™ tests your water and doses it automatically. No manual testing. No guesswork. No maintenance visits. Just safe, balanced water—every time you step in.

Monitor the safety of your water.
The AutoChlorinator™ continuously regulates chlorine levels, keeping your hot tub clean and free from harmful bacteria. Enjoy peace of mind knowing your water is always safe, balanced, and ready for relaxation.
Easy-to-read, easy-to-understand.
The AutoChlorinator™ doesn't use complicated technology or store your data in the cloud — no required apps or Wi-Fi and reliable, straightforward water care.
Set it and forget it.
Think about planning your next hot tub party — not wondering if your hot tub will be balanced in time. Relax and enjoy your soak while it does the work for you!
Safe, 10-second chemical refills.
Topping up your chemicals and reagents is quick, easy, and safe with the AutoChlorinator™. Refills are easy, mess-free, and last 6 months!
Bring-your-own chemicals.
The AutoChlorinator™ doesn't rely on proprietary technology. We strive to be vendor-neutral so any reagents or chlorine will work.
More efficient use of chemicals.
The AutoChlorinator™ only doses chemicals as they are needed. This means fewer refills, less hassle, and more savings — all while maintaining crystal-clear, safe water.

Technical Specifications

Measurement

Chlorine range
0.5 – 10 ppm
pH range
6.8 – 8.2
Method
Colorimetric (OTO/DPD reagent)
Test interval
Every 4 hours

Dosing

Sanitizer
Liquid chlorine or bromine
pH adjustment
Acid (pH down)
Reservoir capacity
~6 months typical use
Refill time
10 minutes

Power

Battery
3000mAh LiPo rechargeable
Battery life
60 – 90 days
Charging
USB-C

Connectivity

WiFi
2.4GHz 802.11 b/g/n
Cellular
LTE-M / NB-IoT (10-year eSIM included)
Bluetooth
BLE 4.2 (setup & config)

Physical

Installation
Floating – no plumbing required
Water resistance
IP68 (fully submersible)
Operating temp
32°F – 104°F (0°C – 40°C)
Hot tub size
300 – 600 gallons

Alerts

Delivery
SMS text message (direct from device)
Alert types
Low/high chlorine, low/high pH, dose failed
Rate limit
Max 2 per alert type per 24 hours

Follow the build

From prototype to your hot tub.

We're documenting every step—prototypes, test results, design decisions, and setbacks. No marketing surprises. See the real product take shape.

See It Work

Watch real test data from our prototypes. Chlorine readings, dosing accuracy, battery life—actual numbers, not marketing claims.

Shape the Product

Early followers get input on features. Want bromine support? Longer battery? Your feedback influences what we build.

No Vaporware

Hardware projects fail all the time. Our public timeline means you'll know if we hit problems—and how we're solving them.