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→What is it?
==What is it?==
==What is it?==
Red sand, also known as a "Minnesota Filter", is iron enhanced sand designed to capture soluble [[phosphorus]] that generally passes through a typical stormwater management facility. Iron has an affinity for dissolved phosphorus, which will serve to bind and therefore remove a portion of the dissolved phosphorus from the stormwater. <ref name=LSRCA>Lake Simcoe Region Conservation Authority. Showcasing Water Innovation: Stormwater Performance Monitoring Report. 2013. http://www.lsrca.on.ca/Shared%20Documents/reports/swi_monitoring_2013.pdf. Accessed September 8, 2017.</ref> The sand also filters the stormwater by removing a portion of the suspended solids and total phosphorus that may be attached to those particles.<ref name=LSRCA/>
Red sand, also known as a "Minnesota filter", is iron enhanced sand designed to capture soluble [[phosphorus]] that generally passes through a typical stormwater management facility. Iron has an affinity for dissolved phosphorus, which will serve to bind and therefore remove a portion of the dissolved phosphorus from the stormwater. <ref name=LSRCA>Lake Simcoe Region Conservation Authority. Showcasing Water Innovation: Stormwater Performance Monitoring Report. 2013. http://www.lsrca.on.ca/Shared%20Documents/reports/swi_monitoring_2013.pdf. Accessed September 8, 2017.</ref> The sand also filters the stormwater by removing a portion of the suspended solids and total phosphorus that may be attached to those particles.<ref name=LSRCA/>
==How is it being used?==
==How is it being used?==