Project Summary John Purcell (Western Victoria, Australia) recognized that there was probably “a bit much strain” on his dairy farm’s effluent pond. Designed to handle the outflow from a 150 cow herd, John had increased his stock over the last 3 years by 100% to over 300 head. Situation A thick hard crust had formed on the pond and the wastewater had little retention time, short circuiting through the pond. The high sludge volume means redu

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