AQUACEL Ag Hydrofiber Dressing with Silver, Sterile. AQUACEL Ag dressing incorporating unique Hydrofiber Technology with 1.2% (w/w) silver combines the favorable gelling characteristics of Hydrofiber Technology with the broad-spectrum antimicrobial properties of ionic silver (Ag ). It is a versatile primary dressing indicated for use on moderately and highly exuding chronic and acute wounds where there is an infection* or an increased risk of infection. * when used in a comprehensive protocol of care.