15 Second Pool Water Tester - more careful with pools

Want to swim in the pool, but feel free to ask how there is some water? One moment - a special water analyzer Pool Water Tester will analyze the composition of the water in 15 seconds. It is enough to wet the test strip and feed it to the device, after that the gadget will determine the amount of free chlorine, the level of acidity, alkalinity and issue a recommendation.

If the concentration of harmful substances (well, you know what substances are in the pools) exceeds the maximum permissible concentration, the indignant numbers will show everything on the display. By the way, you can use the analyzer not only in the pools, but also in the seas, rivers, ponds and at home in the bath.
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The toy works on two AA batteries, weighs 232 grams and is sold here for $ 70.