UPuper Rockwool 1.5 x 1.5 x 1.5 Case of 2250

UPuper CP S40 mini propagation blocks are excellent for starting bigger seeds or cloning and are easily transplanted to larger stone wool slabs once roots are extended to larger areas for the root system. Usually used with rock wool grow cubes or grow slabs. It's popular for rose plant cuttings or plant cloning. Each block is individually wrapped in white plastic, for better handling and also can be used with a seedling tray (flat).