Needed these for my hot tub. Compared to other brands these seem to give the most accurate readings.
Verified purchase: Yes | Condition: New
I won’t be going back to the more expensive brands these do the job for my hot tub at a much better price. Don’t hesitate save yourself some money and buy these from now on, I will be!
Verified purchase: Yes | Condition: New
I bought these strips to help keep a handle on the cleanliness of our new hot tub. I would definitely recommend the strips. They are really easy to use and colour coded for extra ease. Tony at Castle Hot Tub was so helpful when faced with a series of pretty senseless questions from me. He was able to advise with different solutions to different water conditions.
Verified purchase: Yes | Condition: New
easy to use and quick delivery, brilliant.
Verified purchase: Yes | Condition: New
Been using these for years. Great product!
Verified purchase: Yes | Condition: New
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