Popsugar Living Diy Uses For Old Coffee Grounds 15 Uses For Old Coffee Grounds June 8, 2018 by Tara Block View On One Page Photo 12 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 12 Dust stopper When you're taking out the ash from your fireplace, scatter wet coffee grounds on top to prevent the dust from rising. Previous Next Start Slideshow DIYBudget TipsSustainabilityUpcyclingCoffee