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13.99 - 4-Way Test Strips
Take the guesswork out of pool and spa care with BioGuard® 4-Way Test Strips! Regular water testing is important for maintaining a perfect pool or spa. These test strips will help you test for the most important parameters--total chlorine, free chlorine, pH, and total alkalinity--without handling drops or having to scoop water. Just dip and read: that's it!
Tests for the following parameters: