EM balls and water safety

EM balls and water safety – The Nation, November 9, 2011
…Simply put, EM balls can temporarily reduce the stench in floodwater, they do not prevent the spread of disease or chemical contamination…

EM balls effective : academics – The Nation, November 9, 2011
[In the Thai world, both the word of revered experts and anecdotal evidence are always valued over any objective scientific study.]
…”For every 10 cubic metres of water, you should use just two EM balls,” he said, “If you use them correctly, water quality should improve within one week”.

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