What are the dimensions of a Grobo? January 20, 2020 01:50 Updated Follow The Grobo Premium and Grobo Solid's sleek design allows it to fit into any space in your home. The unit (without water) weighs approximately 96lbs (45kg) and is 14" x 14" x 48". Related articles How many harvests can I get out of a Grobo? Are there any discount codes? When will my Grobo order ship? Does the Grobo have a lock? What is the price of Grobo? Comments 0 comments Please sign in to leave a comment.