碳酸盐硬度:

                 铁:0,0.1,0.2,0.5,1.0

                 氨氮:0.1,0.5,1.0,3.0,5.0

                 亚硝:0.1,0.5,1.0,3.0,5.0

                 硝酸:

每种测试功能可单独成组.