Is it safe for me to use expired acrylic paint on canvas? if not is there a DIY on how to rid the mold or whatever is causing the sour smell in the paint? (i really dont want to spend $30 on more gold,silver,and copper paints.)

  • So, the paint smells bad/strange? How important to you is it that the results be good? Mar 8, 2016 at 12:02

1 Answer 1


It is "safe" but as the paint out-gasses it will continue to smell sour.

I used some older paint on a bathroom in a garage once and it continued to stink for months.

Only you can decide if the smell is worse than paying $30 for more paint.

Good luck!

  • I agree add some mildewcide it will help with the smell and prevent long term issues but it may smell for a while.
    – Ed Beal
    Mar 8, 2016 at 14:26

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