Available in three different versions, each size can be purchased as either a single strip of 8 cubes or 64 cube bulk buy as listed below.
Option 1 measures 75mm x 75mm x 75mm and has a hole that measures approx 25mm x 25mm x 40mm in which you can place a Grodan Propagation Cube measuring the same size.
Option 2 measures 75mm x 75mm x 75mm and has a hole that measures approx 36mm x 36mm x 40mm. This is the most commonly sold size as it can take a Grodan Propagation cube of the same size as well as Root Riot cubes and Jiffy-7 41mm peat pellets.
Option 3 measures 100mm x 100mm x 75mm deep, which offers a greater level of stability in NFT growing systems. As with option 2 the hole measures approx 36mm x 36mm x 40mm, so it can also take the Root Riot cubes and Jiffy-7 41mm peat pellets.