Popsugar Beauty Beauty Trends Heart Water Marble Nail Art Tutorial Your Heart Is Going to Melt Over These Lovable Valentine's Day Marble Nails February 11, 2017 by Perri Konecky First Published: February 9, 2017 View On One Page Photo 3 of 9 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Fill a small bottle cap with room temperature water. Pro tip: filtered water works best. Drop a bit of each color into the filled bottle cap. Use a toothpick and carefully drag it through the middle of the cap to form a heart. Let the polish masterpiece dry inside the caps for about 1-2 hours. Previous Next Start Slideshow Beauty TrendsValentine's DayNailsBeauty VideoNail Art