Meoded Lime Wash Base Coat Meoded’s Lime Wash Base Coat is a premium quality, water-based, 100% acrylic primer formulated to be used as a base coat for Meoded Lime Wash. This primer serves as the base coat for both interior and exterior Lime Wash applications. The easy-to-use formula is created to properly absorb Meoded’s Lime Wash to help achieve the right finish for your project. For best results, two coats are recommended.