The study compares the performance of water treatment methods and found that the water treatment method. These water quality improved from the original. Originally, the water, the pH or acidity - base is 5.6 by fermented vegetable recipes, fruit, water quality improvement is a pH of 6.8, and no smell of sewage or water bio yet. Followed by bio-fermentation. Rice formula with a pH of 5.8, but still smelled sewage. And EM The last is Wastewater left at a pH of 5.8 and water still smells the same.
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