The product appears to have worked and the results are easy to read. I appreciate being able to get results in minutes instead of sending them to the lab and waiting. It's a good solution when you're looking for a home and encounter black stuff and need instant results. The first photo shows the black substance I encountered. The second photo shows the result - a line, which means that the test for two types of poisonous mold gave a negative result. But I have one big note: I don't understand why there is only one applicator, one bunch of cotton swabs and two tests in the kit. What should I do with another test if I only have one applicator? What are cotton swabs for? For the amount I spent I think it should come with a different applicator. Then I can test shapes with two different properties.
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