Spa Switch Support

Spa Switch calculates hot tub chlorine doses from the profile and readings you enter. It does not verify water safety, replace chemical labels, local rules, or hot tub manufacturer guidance.

Purchase Help

Open Settings in Spa Switch and tap Restore purchase to restore the lifetime unlock for the Apple ID that bought it.

Contact

Email support@josiahhawkins.com for Spa Switch support.

Known Limits

V1 supports one local spa profile, dichlor and liquid chlorine dosing, local history after unlock, pH and alkalinity tracking, presets, refill reset, and CSV export. It does not support bromine, pool dosing, strip scanning, cloud sync, or correction-dose advice for pH and alkalinity.