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Chlorine 4-Way Test Strips for Spa & Hot Tub
Easy-to-read strips test spa water pH, total alkalinity,
calcium hardness and chlorine levels.
Features:
Applications:
Normal:
Dip strip in water one time.
Compare test results to chart on back of bottle.
Tips:
Low calcium hardness levels can cause foam and corrosive
water conditions, so use a strip that includes
the calcium hardness test.
Compatible With:
Chlorine, bromine and ozone sanitizers.
B Milner
Reviewed in the United States on September 9, 2023
This measures chlorine and bromine. The pads also run and contaminate the next pad unlike other strips I have used.
KMY
Reviewed in the United States on March 19, 2023
We’ve used the same brand test strips for years. This is the first time we’ve received strips that are flimsy, and the small white patches fall off when I dip the test strip into the hot tub.
Shelly
Reviewed in the United States on April 12, 2023
My product came in different packaging than what is pictured here so I am assuming it is a new lot. I have used this brand of test strips in the past and they were fine. But the strips I received this time bleed the colors on to each other making them difficult to read. The chlorine square on the end is the least affected so they still have some use but the pH is a rainbow swirl of colors. Would not buy again.
Mary M. Stephens
Reviewed in the United States on December 26, 2022
I’d say these are really easy to use, just don’t tilt the test strip in anyway otherwise the colors will run, this causing you to not be able to see correct chemical levels. Frustrating but they do work if you hold them still.
berko
Reviewed in the United States on June 25, 2020
Good pool product.
Charlotte Berner
Reviewed in the United States on October 25, 2019
Have tried others, but always come back to these. Easy to use, accurate and easy to read.
Robert D. Woods
Reviewed in the United States on February 8, 2015
great
Tina Smith
Reviewed in the United States on November 28, 2014
I love these. Actually test what you need to adjust
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