Here is our range of propagation trays and lids - also know as propagators they keep the humidity up which is great for clones and seeds. Check out our for deals on the propagators with rockwool. Use a lattice tray if your having trouble keeping the humidity up (leave water below the lattice) or trouble letting the rockwool get too wet. Use the Large Propagator with the 77 cube Eazy Plug trays for an propagation system that will last. You can cut the rockwool and Eazy Plug trays into smaller sizes to fit inside the small and medium propagators. Same day shipping from Aqua Gardening.