Signaspray Electrode Skin Prep Solution

Signaspray by Parker Laboratories is a highly conductive prep solution used to improve the electrical contact between skin and electrodes during EKG/ECG, EEG, EMG, and other biopotential monitoring. Applied in a light mist, it prepares the skin surface so signals transmit cleanly — reducing baseline noise, motion artifact, and the need to repeat traces. It's a staple in cardiology departments, stress-test labs, and monitoring stations where reliable tracings matter on the first try.

What sets Signaspray apart is the combination of properties clinicians ask about: it's highly conductive for strong signal transmission, hypoallergenic for use across a range of patients, bacteriostatic to resist bacterial growth in the bottle, and non-staining so it won't discolor skin, electrodes, or clothing. The signature green tint makes coverage easy to see during application, and the spray delivery gives even, controlled coverage without the mess of gels.

We carry Signaspray in two practical formats. The 8.5 oz. spray bottle (18-25) is sized for exam rooms, crash carts, and portable use where a ready-to-mist bottle is most convenient. The 1-gallon bottle (18-28) is the economical choice for busy departments — refill smaller bottles from bulk and keep per-test cost down without switching products.

Buyers often ask whether Signaspray replaces electrode gel: for many transmission applications, yes — the spray offers faster prep and less residue than traditional conductive gels, though gel may still be preferred for long-term electrode placement. It works with standard tab and snap electrodes and is safe for repeated use in high-volume settings.

For related monitoring supplies, browse our full diagnostics category, or explore other skin prep options to round out your EKG and monitoring setup.