Water plant survey and measure water quality by measuring the water's pH value. Measure the transparency of the water in the water source is the CU 2 front side of the building, a dormitory with pool chemicals industry.
A survey of aquatic plants and water quality by measuring the pH of water transparency of the water in two water sources ditch next to the pool in the dorm building, chemical industry.
Survey of plants and measuring the water quality of the water pH measure, measure the transparency of the water 2 source is the moat in front of the hostel pond next to the building with the chemical industry.