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hth® helps get a sparkling clear pool with our 4 Step Program.

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MAKING WATER TREATMENT EASY SINCE 1928
pool 4-STEP POOL CARE PROGRAM

Our 4-step color-coded system makes it easy to find the hth® pool care products you need to enjoy sparkling, blue water all season.

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water drop 3-STEP SPA CARE PROGRAM

The complete line of hth® spa products ensures that you have crystal clear water so you can relax in your spa all year round.

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flag MADE IN THE USA

Look for the Made in the USA icon on hth® pool care products.

test strip
TESTING YOUR POOL WATER

The hth® Test to Swim™ water testing tool provides personalized water treatment and product recommendations. Create your account today to get started.

WHAT'S NEW
floater thumbnail hth® FLOATER

The hth® floater makes pool treatment convenient and easy for the on-the-go pool owner.

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summer bundle thumbnail hth® SUMMER BUNDLE

The hth® super summer bundle contains everything you need to keep your pool water clean and clear all summer long.

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phin thumbnail pHin WATER MONITOR

This smart device makes pool and hot tub care easy. Keeps water healthy and safe. Works with pools and hot tubs that use chlorine, salt and bromine.

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