HTH 3-in-1 Pool Test Kit

The HTH 3-in-1 Pool Test Kit is your go-to water testing solution for keeping your pool safe, clean, and perfectly balanced. Designed for both pool owners and maintenance professionals, this complete kit makes it easy to monitor your pool’s free chlorine, pH levels, and total alkalinity—three of the most essential components for healthy water chemistry.

This test kit includes easy-to-use liquid reagents, test block with color comparator, and instruction guide to help you interpret results quickly and accurately. Whether you’re adjusting chlorine levels or managing water balance, this HTH kit ensures peace of mind and sparkling water every time.

Perfect for residential pools, spas, or hot tubs, the HTH 3-in-1 Test Kit simplifies maintenance and reduces guesswork—so you spend more time enjoying your pool and less time fixing it.

✅ Key Features

• Tests free chlorine, pH, and total alkalinity

• Includes 4 liquid reagents, test block, and instructions

• Easy-to-read color-coded comparator

• Accurate and fast results in minutes

• Suitable for both chlorine and saltwater pools

• Trusted HTH brand – known for pool care excellence

📦 What’s in the Box

• 1 x OTO Reagent #1 – Chlorine Test Solution (Yellow cap)

• 1 x Phenol Red Reagent #2 – pH Test Solution (Red cap)

• 1 x Alkalinity Reagent #3 (White cap)

• 1 x Acid Demand Reagent #4 (Blue cap)

• 1 x Color comparator block

• 1 x Instruction manual

• 1 x DPD test tablets (for some kits)

• Protective carrying case

📊 Technical Specifications