TubTest: Hot Tub Water Test

Hot Tub Chemistry, Made Simple.

TubTest is the only app that actually SHOWS you how to test your hot tub water, step by step. No more guessing which reagent, how many drops, or what color means what.

Whether you use a Taylor test kit or test strips, TubTest walks you through the entire testing process like having an expert at your side.

⭐ STEP-BY-STEP TEST GUIDANCE
- Follow along with Taylor K-2005, K-2006, and other test kits
- Know exactly which reagent to use and when
- Count drops with easy tap controls
- See what colors indicate — no more second-guessing
- Proper testing sequence enforced: alkalinity first, then pH, then sanitizer

⭐ PRECISE CHEMICAL DOSING
- Get exact treatment amounts after each test
- Dosing calculated for YOUR hot tub's volume
- Supports chlorine, bromine, and salt water systems
- Clear instructions: "Add 4 tbsp + 1 tsp of Baking Soda"
- Professional treatment cards you can save and share

⭐ COMPLETE HISTORY TRACKING
- Calendar view shows all your tests and treatments
- See patterns over time
- Never wonder "when did I last test?"
- Track what chemicals you've added and when
- Filter and maintenance reminders

⭐ WORKS WITH TEST STRIPS TOO
- Quick entry for multi-parameter test strips
- Built-in timer for accurate readings
- Same smart dosing calculations
- Support for all major test strip brands

⭐ BUILT FOR HOT TUB OWNERS
- Optimized for spa-specific chemistry (not just pools)
- Bromine and chlorine sanitizer support
- Saturation Index monitoring to protect your equipment
- Customizable ideal ranges for your needs
- Beautiful dark mode for evening testing

⭐ LEARN THE WHY, NOT JUST THE WHAT
- Hot Tub Chemistry 101 teaches you the basics
- Understand why alkalinity comes first
- Know how pH affects sanitizer effectiveness
- Beginner-friendly guidance for new hot tub owners

⭐ PRIVACY FIRST
- All data stored locally on your device
- No account required
- No tracking, no ads, no data collection
- Your hot tub data stays completely private

⭐ FREE — NO SUBSCRIPTIONS
- Full functionality at no cost
- No paywalls, no premium tiers
- No annoying ads interrupting your testing

Perfect for hot tub owners who want to:
✓ Save money by maintaining water chemistry themselves
✓ Keep detailed records of tests and treatments
✓ Understand what they're testing and why
✓ Ensure safe, comfortable water for family and guests
✓ Reduce chemical usage through proper balancing

TubTest transforms the complex chemistry of hot tub maintenance into a simple, guided process. Download free and start testing smarter today.

Works with Taylor test kits (K-2005, K-2006, and others) and all standard hot tub test strips.

Questions? Contact us at [email protected]