Smart Sponge is a polymer technology produced by [http://www.abtechindustries.com/smart-sponge AbTech Industries]. According to their website, Smart Sponge Heavy Metals (HM) “uses renewable resource based metal nanocomposites extruded into an adsorptive sponge media. The media will bind with [[phosphorus]] and [[heavy metals]] resulting in removal rates as high as 98%”.<ref name=abtech>Abtech Industries. Smart Sponge Heavy Metals (HM). https://www.abtechindustries.com/smart-sponge-hm. Accessed November 2, 2017.</ref>
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Smart Sponge is a polymer technology produced by AbTech Industries. According to their website, Smart Sponge Heavy Metals (HM) “uses renewable resource based metal nanocomposites extruded into an adsorptive sponge media. The media will bind with [[phosphorus]] and [[heavy metals]] resulting in removal rates as high as 98%”.<ref name=abtech>Abtech Industries. Smart Sponge Heavy Metals (HM). https://www.abtechindustries.com/smart-sponge-hm. Accessed November 2, 2017.</ref>