Super Fix: Single Part Post MixA rapid-hardening blend of cements, graded aggregates and additives formulated for the installation of posts, fences, and poles. The product is ready to use and requires no mixing. Easy Application! 1. Dig hole to the required dimensions, 2. Fill hole with approx. 2-3 litres of water (per 25kg bag), 3. Place post in the hole and pour Super Fix around the post, 4. Sprinkle water on top of the powder, until all powder is covered, 5. Adjust and level the post as required, 6. Super Fix will begin to set in 5-10 minutes, no curing required.