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Clean natural paint from brushes. 1  Natural paints do not require any special treatment. 2  Simply rinse the paint brushes in the sink or a bucket. 3  Waste water from the buckets may safely be poured onto the ground or down a drain.
Primer is also sprayed on, and generally comes in a very dark color making it easy to see how well you are covering the old enamel. Hold the spray can at least 12 inches from the sink and use steady, even, back and forth strokes to cover the entire surface in a thin, even coat.For best adhesion, apply two coats of primer and allow the first coat to dry completely.leaning. No paint, enamel or other finish will adhere to a surface that has not been thoroughly cleaned. Therefore, it is crucial to remove all soap scum and oils with a non-abrasive cleanser and a plastic scrubber before you attempt to refinish your sink.