Muddskip HEAVY DUTY 3-in-1 Drywall Additive revolutionizes your finishing workflow by cutting application time in half with wet-on-wet application. This powerful formula rehydrates joint compound, extending its usable life while working seamlessly with all dry mix and premix products. A single 2 lb bag covers 800–1,000 sq. ft.—double the standard bucket coverage—while delivering a smooth, plaster-like finish that requires minimal sanding or additional coats. Built-in mold and mildew protection ensures lasting results on walls and ceilings. Professional-grade performance that transforms your drywall finishing process.