Hydrodynamics International Root Riot TrayProduct Details Root Riot These plant starting cubes have a great spongy texture which retains an ideal air to water ratio for rapid root growth. Suitable for both propagating cuttings and starting seeds, Root Riot Plant Starter Cubes have been shown to consistently outperform alternative medias. In short, you can't go wrong by starting your seeds or sticking your cuttings in Root Riot Plant Starter Cubes! Specs Attribute name Attribute value