This innovative system features a detachable gel platform, and a cooling pack designed to cool the buffer chamber of horizontal gel tank without the need for external cooling equipment. To use, simply position the platform over the running tray and place the pre-chilled cool pack on top. The cool pack rests above the gel in the buffer, efficiently absorbing and dissipating any heat generated during the process. This straightforward and efficient cooling method can improve sample resolution and accelerate the migration of samples through the gel, reducing run times.