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Changes in water pH during the experiment under different iron treatments (Tstart-coagulant application; vertical bars-95% confidence interval)
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The iron phosphates coagulant is commonly used in lake restoration to improve water quality and eliminate cyanobacteria bloom. Nevertheless, the short-term abiotic environment transformation in particular inside macrophytes communities is still not sufficiently studied. The field experiments were carried out in mesocosms installed in Chara hispida...
Context in source publication
Context 1
... significant transformation in chemical and physical features of water. Among analysed parameters pH changes were the most essential and led to further modifications. Water pH, before coagulant application, was similar in all chambers (7.8 ± 0.1, mean ± std. dev.). The water pH decreased after coagulant application, proportionally to the dose (Fig. 1). Statistical analysis revealed that both coagulant dose and time, as well as their interaction, had a significant effect on pH (Tab. 1). Within a day of the coagulant's application, water acidity was neutralised in all mesocosms. By adding the coagulant, electric conductivity was elevated, however only in chambers with Medium and High ...
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