5 days after the first trial layout, template switching to cleaner water. The suspended solids settle to the bottom of the tank was. After 10 days, the algae has appeared in average. In the aeration system, the more opaque the water and algae bottom and average appearance. In experiments no aeration, algae only appear at the bottom of the jar.
đang được dịch, vui lòng đợi..
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