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Principal component analyses (PCAs) of plant‐based coagulants studied submitted to different doses and pH. Effect of pH is presented in red. The doses studied are given in several colors according to the plant‐based coagulant tested. Aus, Austrocylindropuntia subulate; Carp, Carpobrotus acinaciformis ; Ag, Agave americana ; Sen, Senecio anteuphorbium
