Tension:
Stocking stitch - 40 sts = 15.3cm and 60 rows = 14.9 cm approx T6.
Tuck Stitch Pattern - 40 sts = 16.7 cm and 60 rows = 10.7 cm approx T5.

Note: Before measuring, tension swatches should be pinned out and steam pressed with a medium hot iron. This softens the fabric.