In the second Make the selected value, the proper pH 6.5 and to reduce turbidity in 2.22 3. Make a selection, the appropriate value of 6.5 and can reduce turbidity. the remaining 2.18 when it made the average pH value found suitable alum reacting is 6.5 and can reduce stress by up to 2.23 color charge equal to 2.5 units of all three times and tamarind seeds powder alum doses used to precipitate the best rated equal to 50 ml.
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