Van Den Hul The Solution Contact Treatment And Protection Fluid – 25CC Bottle is a premium fluid designed to improve and protect all signal-carrying connections in your audio and video system. It works by cleaning contact surfaces while enhancing conductivity and preventing future oxidation. Ideal for both new and older connections, this solution extends the lifespan of plugs, jacks, and terminals. It’s a must-have for maintaining peak audio performance in high-fidelity setups.
Van Den Hul’s The SOLUTION Contact Treatment and Protection Fluid is a highly refined contact enhancer formulated to significantly improve the performance, longevity, and reliability of all types of audio and video signal connections. Presented in a convenient 25cc bottle with an integrated brush applicator, this premium-grade fluid is a must-have for audiophiles, home theater enthusiasts, and professionals seeking to preserve signal integrity and extract the finest performance from their systems.
Over time, even high-quality connectors—gold-plated or otherwise—suffer from microscopic corrosion, oxidation, dirt accumulation, and mechanical wear. These invisible layers of contamination degrade the electrical contact surface, introducing resistance and distortion that compromise audio clarity, channel balance, and overall system resolution. The SOLUTION effectively addresses this by providing a comprehensive four-in-one treatment: it cleans the contact surface, applies a high-conductivity lubricating film, protects against further oxidation, and enhances the mechanical connection between components.
Safe to use on all common connector types including RCA plugs, speaker terminals, 3.5mm jacks, XLRs, DIN connectors, cartridge pins, and even internal switches or sockets, The SOLUTION is especially valuable in high-resolution and analog systems where signal purity is critical. The formula is halogen-free and non-aggressive, meaning it will not degrade metals or plastic housings over time—making it suitable for both new installations and routine system maintenance.
Application is simple and precise thanks to the built-in brush cap. Only a minimal amount is needed to achieve full coverage, making the 25cc bottle remarkably long-lasting. Regular use can result in improved channel separation, lowered noise floor, more articulate transients, and a richer overall soundstage. It also ensures that connectors maintain their original tightness and ease of insertion/removal without risk of surface damage.
Whether you’re revitalizing an aging setup or protecting a brand-new high-end system, Van Den Hul’s The SOLUTION is a smart and effective way to ensure your connections perform at their peak. It’s not just a cleaner—it's a preventative measure and a performance enhancer in one.


Improves conductivity and reduces contact resistance
Cleans, treats, and protects plugs and terminals
Prevents oxidation and signal degradation over time
Safe for all types of connectors and electronics
Comes in a convenient 25CC precision-drop bottle