What's new in PoolFu Supplemental sanitizer support for spas - New Supplemental Sanitizer setting for spas with a UV, active oxygen (AOP), or nanobubble system - Chlorine guidance adjusts to the lower level these systems run: a 3 ppm target, with 2 to 3 ppm counting as acceptable between soaks - Bromine spas adjust from 5 ppm to 4 ppm - Safety limits are unchanged: below 2 ppm chlorine is still critical, and bromine keeps its 4 ppm minimum before anyone gets in Spa chlorine dosing - Spas now dose to a 4 ppm target, the middle of the 3 to 5 ppm ideal range - Dose amounts for chlorine spas change slightly Export from the calendar - Added Export Data to the history calendar for your own pool and spa - Exports test readings and treatments as CSV spreadsheets, or a full PoolFu backup Product filtering - Products now filter by category, brand or common chemical, and region from a single Filters button - Active filters show as tags you can tap to remove - Search now respects your filters, and finds products sold in other regions - Common chemicals expanded to 26 entries, including calcium hypochlorite shock and liquid chlorine - Added 172 Lawrason's products including Aqua, for Canada Retest reminders - Pools now wait 4 hours after adjusting pH with acid, and until the next morning after a shock - Hot tubs keep their faster 1 hour and 6 hour reminders - Spas with a supplemental sanitizer are reminded to test every 3 days Pro data after cancellation - Pro features stop when a Pro subscription ends, but nothing you built with Pro is deleted - Added a Your Pro Data screen showing what is stored, with a backup or spreadsheet of each customer, and a button to resubscribe and pick up where you left off Other improvements - Added haptic feedback when you save a test, log a treatment, unlock an achievement, or finish a service visit - Added a Done button to the keyboard on the Test Water screen - Cleaned up the Settings screen - Shared reading and achievement cards render at higher resolution