Go from 🥴 to 😌 when mixing body filler by following a few important tech tips: 👉 Make sure to knead the hardener and use the correct amounts and proportions to get a 50:1 ratio. 👉 Never swirl or stir your body filler -- this will introduce air into the filler. 👉 Instead, use a fold and flatten technique to properly mix body filler. By flattening the body filler across the mixing board, this will force any air out and can help extend the work time on the filler. Want to see these techniques