Dragonhaus, LLC is proud to announce that we are the sole distributor of Freedom Breeder's Coco Blox substrate in the Pacific-Northwest! We absolutely love this product as it provides a nice and compact way to store your substrate. By just adding water, you can watch as the triple washed, 100% organic compressed cocochip expand to fit your enclosure to the designed specifications. The 3.4lb blox expand to fill 1 FB-70 tub,3 FB-40 tubs or 5 FB-10’s. The 10lb blox can expand to 2.5 cubic feet, enough to fill 6 to 8 FB-70 tubs.