Rootit Natural Rooting Sponges - 24 Insert & Tray, Ideal propagation Aid! The Rootit Natural rooting sponges are not only simple and clean to use, they alos produce outstanding results with both seeds and cutting. They are the same size plud as Grodan SBS 36/77 propagating cubes and each tray fits neatly into standard propagators. Rootit Natural rooting sponges have a double aperture, the first part of the hole is wide and shallow which is the ideal depth for seeds. The second part is long and thin and ideal for cuttings, holding them fimly in place. Maximise your success rate with: * Faster more Vigorous rooting * Organic and fully Biodegradable * Simple to use and easy to Pot on * No Mess, No fuss, Just exellent results Quality tray filled with 24 ROOTIT Rooting Sponges. Learn More