Valterra Blue Devil 6-Way Pro OTO Pool & Spa Test Kit | B7550

Valterra Blue Devil 6-Way Pro OTO Pool & Spa Test Kit | B7550

Marsoni

M251S

$29.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Valterra Blue Devil 6-Way Pro OTO Pool & Spa Test Kit | B7550Get a complete snapshot of your water chemistry in one session with the Valterra Blue Devil 6 Way Pro OTO Test Kit B7550. This professional caliber kit measures six critical parameters: chlorine, bromine, pH, alkalinity, hardness, and cyanuric acid, giving you everything needed to keep pool and spa water in peak condition. The OTO (orthotolidine) method delivers swift, accurate chlorine and bromine readings, while the intuitive color comparison system

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I really love that this product is from an ancient recipe from JR Watkins. Not heavy and soapy, I have sprayers that I use to spray those items that need a quick wash. From plant-derived liquids, this stuff removes any food products as well as any heavy liquid detergent I have ever used. Been using it for several years now and see no reason to stop.

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Reviewed in the United States on March 7, 2025

Verified Purchase

Phoenix, US

★★★★★ 5

My Favorite

I've been using this dish detergent for months. I just love it. The light fresh lemon scent and the fact that it does not give you dish-pan hands like those name brand grease cutting detergents. You have to spray more of this on a greasy surface and wash 2, maybe 3x depending on the surface, but it will cut grease. Love the spray bottle too. If the sprayer gets wonky I've found that if I remove the white screen from the sprayer nozzle it works better.

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Reviewed in the United States on September 3, 2023