Prevent Skinning Paint
Those who like to do DIY projects around the house might be a little familiar with skinning paint. It’s what happens when builders leave cans of paint a bit open for a few days. The paint will solidify, causing a mess and sabotaging your next paint job.
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If you’re faced with this, just cut some foil and put it in the can. Blow some air into it while you close the lid of the paint can – the carbon dioxide from your lungs will prevent oxidation!