Recommended dosage of negative ions

Recommended dosage not established. A recommended dosage has not been established yet. It depends on symptoms, individuals, environment and many other factors. Negative ion count ranges of 53 research reports. Ion counts for treatment in 53 research reports show that 1,000-500,000 (pcs/cc) negative ions have been used effectively for treatment purposes. Digital Air Ion Counter, Good for R&D and product promotion! Easy operation, Light Weight & Compact design, Many functions. Show in graph form, Data storage!