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 products you need to enjoy sparkling, blue water all season.

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water drop 3-STEP SPA CARE PROGRAM

Our complete line of spa products ensures that you have crystal clear water so you and your family 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.

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test strip
TESTING YOUR WATER

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

beach ball
OPENING YOUR POOL

School’s almost out and that means it’s time to open your pool for the swimming season! The hth® pool care kit for opening and closing your pool makes opening your pool a breeze.