Not sure when your filler is ready to sand
Problem: Not sure when your filler is ready to sand
Fix it with: Use Polycell Multi-Purpose Magic Polyfilla
It changes colour as it dries - removing the need to prod and poke the area to check if it’s dry.
You can do it: Fill imperfections with the pink ready-mixed formulation, and it turns white when it’s ready to sand and paint.