Concrete mix is Plasterers Sand + Blue Metal 14mm.
A 50/50 mix of 14mm Blue Metal and Plaster Sand. Just add cement and water.
6×4 Trailer load
Price: $90
Cubic metre
Price: $135
6×4 Trailer Load = 2 Scoops ≈ 0.7 Cubic Metres
3 Scoops = 1.5 Trailer Loads ≈ 1 Cubic Metre