This product has a low viscosity which makes for easy mixing and for it to degas even without vacuum. A suggestion here if you want to mix colors for a marble effect. Mix a big enough batch for whole project plus some. After mixing thoroughly, separate into smaller containers for each color, let it rest for about 8hrs to thicken some and remix, pigment tends to settle so be sure to scrape the bottom and walls good. If you have lots of crevasses to fill this will be about the right time to pour. If not, wait another hour or so to thicken more. This stuff thickens very slowly, the longer you wait the better the marbling. I haven't gone over 10 hours because I want it to still absorb into the wood and any new bubbles can still hopefully escape. Very rare to have a bubble problem later.