hth® time to shock? test strips

The hth® time to shock? test strips tell you when to shock.


About This Item

The hth® time to shock? test strips tell you when to shock. These test strips test for both free and total chlorine and give you results in seconds. The 25 test strips will help you take the guess work out of pool care.

  • Includes 25 test strips
  • Tests for total and free chlorine
  • Results in seconds


Quickly & Easily Test Pool Water

HTH multi-purpose 6-way test strips product in front of water

Easy-to-use Strips

These convenient test strips are a quick and easy way to find out what your pool needs to keep it looking clean and beautiful. 

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Checks for Six Key Elements

HTH Multi-Purpose 6-Way Test Strips for Swimming Pools check for free available chlorine, bromine, pH, total alkalinity, total hardness and cyanuric  acid (CYA).

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Perform Up to 30 Tests

With enough test strips for up to 30 tests, it’s easy to test and balance your swimming pool during the summer season.

How to Use HTH Multi-Purpose 6-Way Test Strips

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1. Dip Test Strip Into Water

Dip the test strip into the pool water 18 inches below the surface of the water (approximately deep enough so the water reaches your elbow).

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2. Wait 15 Seconds

Remove with pads facing up. Do not shake off excess water. Hold strip level for 20 seconds.

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3. Text Results to HTH123

Find out what you need for crystal clear pool water with HTH Textstrips™. Send test results to HTH123 and we’ll text you back with the right products and instructions.




Day After

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