As a child, my dad had a similar kit. Now that I am in charge of the pool, I used sticks thinking it was easier until recently. This is much more economical and doesn't run the risk of failure due to climate issues. More scientific and less user friendly, but it appears to be a more accurate and specific product.
I bought this product back last year for my pool to winterize it and it did a wounderful job when I went to open my pool this summer my pool wasn't green at all totally recommend this product to anyone that has a pool and doesn't want to deal with the algae
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