Fig. 1From: Laboratory studies of the algaecide GreenTD: stability, algaecidal activity and reduction of microcystin productionTreatment pots of test substances after microcystis was grown in blue-green medium. a Microcystis in culture (50 mL), b Blank (only microcystis), c 0.5 mg/L of GreenTD, d 1.0 mg/L of GreenTD, e 30 mg/L of polyaluminium chloride ([Al(OH)mCl6-m]n, PAC), f; 50 mg/L of PAC, g 200 mg/L of red clay, h 200 mg of PAC and red clay (V/V, 1:1)Back to article page