1.Mr.Sompop said today change maintain ep-YC2 = 1 bag/shift from 2 bag/shift but NM normal and maintain of EC tank ( ep-TL2 maintain and NM normal ) but NaOH = 1 bag/shift from 2 bag/shift but NM normal. ( But Mr.Sompop talk if Conc. down below STD , he will back maintain same.)
2.SA8 change maintain ep-YC2 = 1 bag/day from 2 bag/day but NM normal and will cleaning about 1 month after use ep-YC2 , because want to look sediment.