Better salt water support is here! • New "Salt Water" sanitizer option — choose it during setup or in Settings • Calcium hardness targets now adjust automatically for salt systems (lower range to protect your salt cell) • Test and track your salt level, with exact dosing recommendations Plus reliability improvements: • More reliable sync across your devices • Retest reminders now stay on screen until you're ready to test • Fixed stabilizer (cyanuric acid) dosing when using custom ranges • Stale results now clear correctly so you always see current readings Thanks for the great feedback — a salt water user asked for this one. Keep it coming!

What's new in 1.7.4: Big fixes for quick entry mode

Version 1.7.3 — Bug Fixes -Units display bug fixed If you've set your preferred units to Metric, treatment doses now properly display in grams and milliliters instead of defaulting to tablespoons and cups. -Muriatic Acid Setting Saved Selecting Muriatic Acid 31% or 14.5% as your pH decreaser now persists between sessions — no more reverting back to Dry Acid.

What's New in 1.7.2 - Maintenance Essentials — The Resupply tab now includes must-have maintenance products like filter cleaner, pre-filters, plumbing flush, and scum absorbers to keep your tub running smoothly. - Smarter Kit Recommendations — Test kits on the Resupply page now show helpful labels like "Bromine," "Chlorine," "Salt," or "Budget-Friendly" so you can quickly find the right kit for your setup. - Expanded Reagent Support — Added R-0600 OTO Indicator reagent for K-1000 kit users. Thanks for using TubTest! If you're finding the app helpful, a quick rating goes a long way.

What's new in 1.7.1: - Bug fixes

What's New in v1.7.0 - Improved VoiceOver and TalkBack support throughout the app — screen readers now announce drop count changes, toast messages, test results, and tube states - Smoother animations with native driver optimization - Fixed iCloud sync for treatment tips and measurement preferences - Reduced app size by removing unused legacy image assets - Improved sound playback performance - General bug fixes and stability improvements

What's new in version 1.6.8: Bug fixes.

What's new in version 1.6.7 - Bug Fixes

What's New in 1.6.6 - New: Taylor K-2106 Bromine Kit — Added support for the K-2106, Taylor's dedicated bromine test kit with FAS-DPD accuracy - Improved Test Kit Selection — Filter kits by your sanitizer type (Bromine, Chlorine, Salt) to quickly find compatible options - Bug fixes and performance improvements

What's new in 1.6.5: Reminders UI redesign Correction in pH testing methodology Bug and UI fixes

Version 1.6.2 Release Notes New Test Kits - Taylor K-1000 Basic kit with pH and Chlorine/Bromine (OTO) tests - Taylor FAS-DPD Chlorine Test kit with 10mL/25mL sample size options Bug Fixes & Improvements - Improved retest guidance - Calcium hardness custom range can now be set as low as 25 ppm (for salt water systems) - Added info box explaining that salt systems generate chlorine, with salt test status - Other bug fixes and improvements

What's New in 1.6.1 Liquid Chlorine Support - Added chlorine source options: Dichlor (default), Liquid Chlorine 10%, Liquid Chlorine 12.5%, and Household Bleach 6% - Find it in Settings → Chemistry → Chlorine Source - Great for users with ozonators or salt systems who want to avoid CYA buildup from dichlor - Dosing recommendations automatically adjust for your chosen chlorine type - Reorganized some of the Settings screens - Bug and UI fixes

What's New in 1.6.0 • Metric Measurements - Tap any treatment amount to cycle through oz, tablespoons, and grams • Improved Bromine Guidance - Clearer instructions for when to add sodium bromide vs. shock, with helpful banners explaining each treatment path • Fixed Total Chlorine Instructions - Now correctly says "match color immediately" per Taylor directions

What's New in 1.5.9 • Improved Chlorine & Bromine Tests - Added increment buttons (+1, +0.5, -0.5, -1) for easier drop counting on K-1004 and K-1005 test kits • Better Decimal Input - Fixed decimal entry for chlorine and bromine tests so you can enter precise readings like 1.5 or 2.5 • Express Mode Update - Now shows both Free and Total Chlorine inputs together for faster testing • Smarter Test Reminders - Reminders now arrive at 9 AM on your scheduled day, with new 1 and 2 day options for more frequent testing • Easier Support - Contact Support now automatically includes diagnostic info to help troubleshoot any issues

What's New in Version 1.5.8 Smarter Retest Guidance - The app now alerts you when a treatment may affect related water chemistry levels - When adjusting pH with soda ash or acid, you'll see a reminder that alkalinity may also be affected - Affected tests are highlighted on the home screen with a "Retest" indicator so you know what to check next

Bug fixes (specifically K1005 Chlorine test fix)

Bug fixes

A lot of updates here in v1.5.2! I'll try to list them all below: • Track your water changes in the history section • A new maintenance log shows you a running dated list of all your maintenance (balanced water, cleaned filter and changed water) • Now you can delete individual history entries • New "Express Mode" kit allows you to directly enter in your test values to get the treatments OR... • ...if you prefer testing like normal with your kit, you still have the option on step 1 of skipping to manual entry to enter in a treatment value for one particular test • Completely re-worked testing experience for test strip users • Updated Saturation Index card now give you fine-tuned recommendations to get your LSI as close to zero as possible • You can now set an in-app reminder to test your water every 3, 5 or 7 days • Bromide Bank Education — New guidance helps bromine users understand why levels drop to zero and how to establish a bromide bank after refilling • Smarter Bromine Treatments — Clearer recommendations with two paths: sodium bromide + shock for fresh fills, or shock/brominating concentrate for routine maintenance • New Troubleshooting Guide in Settings > Chemistry that can help you diagnose some common water issues you may run into • Bug fixes • General awesomeness

What's New in TubTest 1.5 — "Night Soak" Update TubTest is the new name for TestTub—same great app, now easier to find! We renamed to make the app simpler to search for and recommend to friends. Everything you love about the app remains the same. Introducing Night Soak — a stunning dark mode designed for that late-night hot tub sessions feel. Beautiful Dark Mode • Rich, deep teal interface that's easy on the eyes • Subtle cyan glow effects on cards for a premium feel • Carefully crafted contrast for perfect readability in low light • Seamlessly follows your device settings or set it manually Delightful New Animations • We love the bubbles! • Smooth, polished transitions throughout the app History Tracking • Track your weekly filter maintenance, water changes and TDS measurements • See all historical maintenance in Maintenance Log Visual Refinements • Fresh dark teal color palette in light mode • Improved history card colors for easier scanning • Enhanced step cards with subtle glow effects during tests iCloud Sync • Your settings and data now sync seamlessly across all your devices Perfect your water chemistry day or night. Happy soaking!

New Features • K-2006 Bromine conversion - Test Bromine with chlorine kits • Pre-test maintenance modal with TDS input and filter reminders • Filter change tracking with Clean/Dirty status buttons • Days-since-filter-change counter with overdue warnings

Bug fixes and some UI polish.

What's New in v1.2.2: Interactive Measurements Tap any chemical measurement to switch between your preferred format: weight (oz), volume with cups, or tablespoons/teaspoons only. Your choice is remembered across the entire app. Saturation Index New Saturation Index monitoring helps you understand if your water chemistry is balanced, corrosive, or scale-forming. Track it directly from your home screen to prevent equipment damage and cloudy water. More Accurate Dosing Improved chemical measurement accuracy for better treatment results. Bug Fixes & Polish - iCloud Sync: Never lose your data again - Automatic backup to your personal iCloud account - Fixed modal button alignment - Corrected pH reagents for Taylor K-1005 kit - Improved measurement display formatting - General stability improvements

What's New in v1.2.0: Interactive Measurements Tap any chemical measurement to switch between your preferred format: weight (oz), volume with cups, or tablespoons/teaspoons only. Your choice is remembered across the entire app. Saturation Index New Saturation Index monitoring helps you understand if your water chemistry is balanced, corrosive, or scale-forming. Track it directly from your home screen to prevent equipment damage and cloudy water. More Accurate Dosing Improved chemical measurement accuracy for better treatment results. Bug Fixes & Polish - Fixed modal button alignment - Improved measurement display formatting - General stability improvements

What's New in v1.1.3: - Clickable test strip results with treatment indicators - Checkmarks for ideal test results and applied treatments - Combined all tests in one unified section for test strips - Improved validation messages for required fields - Better error handling throughout

Bug fixes.