Healthful Home 5-Minute Mold Test Detect mold spores and allergens in minutes. even if you can't see it. no waiting for labs. Accurate and safe! the only test that also detects spores and allergy-causing mold-particulates. Easy-to-use...three quick steps. test for mold yourself before you rent or buy. Most sensitive test available. patented technology from the u.s. phs; includes expert consultation Detects the worst mold types, like stachybotrys, that are often missed by air sampling