HTReminder: Hot Tub & Pool

Never guess your hot tub or pool water chemistry again. HTReminder is a pool chemical calculator and water testing app that uses AI to scan your test strips and tell you exactly what chemicals to add. Just snap a photo of your test strip and HTReminder instantly reads pH, chlorine, bromine, alkalinity, and hardness levels. No squinting at color charts. No guessing. Just clear, accurate results in seconds. KEY FEATURES: • AI Test Strip Scanner — Point your camera at any test strip and get instant, accurate readings. Works with all major test strip brands including AquaChek, LaMotte, Taylor, Clorox, HTH, and more. • Pool & Hot Tub Chemical Calculator — Based on your readings and your water volume, HTReminder calculates exactly how much chlorine, bromine, pH increaser, pH decreaser, or alkalinity increaser to add. No more math or guessing at dosage amounts. • Spa & Pool Maintenance Reminders — Set schedules for water testing, filter cleaning, water changes, and shock treatments. Get notifications so you never forget a maintenance task. • Water Chemistry History — Track your pH, chlorine, bromine, alkalinity, and calcium hardness over time. See trends and catch problems before they get expensive. • Multiple Hot Tubs & Pools — Manage water chemistry for your hot tub, swimming pool, spa, or all of them. Each gets its own history, chemical inventory, and maintenance reminders. • Chemical Inventory — Track what pool and spa chemicals you have on hand so you know what to buy before your next water test. WORKS WITH: • Hot tubs and spas (chlorine or bromine) • Swimming pools (above ground and in-ground) • Swim spas and plunge pools • Saltwater pools and hot tubs PERFECT FOR: • Hot tub owners who want perfect water chemistry without the guesswork • Pool owners tired of squinting at test strip color charts • New hot tub or pool owners learning water maintenance • Pool service professionals managing multiple clients • Anyone switching from chlorine to bromine or vice versa REPLACES YOUR: • Pool chemical calculator spreadsheet • Hot tub maintenance log notebook • Water testing color chart • Chemical dosage guesswork WHY HTREMINDER? Most hot tub and pool owners test their water, stare at a color chart, and hope they're reading it right. HTReminder removes the guesswork. Our AI scanner is more accurate than the human eye, and our chemical calculator tells you exactly what to add based on your specific water volume. Free to download and start testing. Stop guessing your pool and hot tub chemistry. Download HTReminder today.