Easy fence posts with #Sakrete Fast Setting Concrete Here’s how it works: 1️⃣ Add water to the hole until it is ~1/3 full. 2️⃣ Evenly pour in Sakrete Fast Setting Concrete until you reach the top. 3️⃣ If needed, add extra water — overwatering isn’t a concern here. 4️⃣ Ensure the post is plumb by checking the level (front/back and left/right). 5️⃣ Hold post in place for 3–5 minutes while it sets. ⏱️ Full strength comes quick — just wait 30 minutes before applying any load. ⚠️ Pro Tip: Don’t pour