Check the listing for details. Signaspray Electrode Solution and Skin Prep. Condition: New. Listed at 12.59 USD. Signaspray Electrode Solution and Skin Prep Parker Laboratories Parker Laboratories Highly conductive, economical spray electrolyte and non-gritty skin prep. The ideal electrolyte for use with muscle stimulation equipment Superior non-gritty skin prep No residue build-up Clear bottle lets you know how much Signaspray is left Highly conductive, economical spray electrolyte and non-gritty skin prep. Features: The ideal electrolyte for use with muscle stimulation equipment Bacteriostatic, non-staining Superior non-gritty skin prep No residue build-up Easy to apply, easy to clean up Clear bottle lets you know how much Signaspray is left Not recommended for defibrillation Quantity: 1 Manufacturer: Signaspray Indications: Ideal electrolyte for use with muscle stimulation equipment Options: 8.5 oz Bottles (18-25) 1 Gal Bottle (18-28)