The Grodan Grow-Cubes 5.6 cu. ft. (Loose In Box) are one of the best ways to start your seeds or clones. Each of these stonewool cubes is 1/2", and features better aeration and drainage than any other starting blocks out there. This way, overwatering your seeds or baby plants won't be an issue. Plus, you can easily mix these cubes into other loose media for a lightweight, easy to clean media!
Why Start Your Grow With Grodan Grow-Cubes 5.6 cu. ft. (Loose In Box)
The properties of these Grodan Grow-Cubes 5.6 cu. ft. (Loose In Box) result in a completely balanced ratio of absorption to aeration, just about 50/50. This means it drains very easily to prevent overwatering, getting your plants as much oxygen as possible for explosive root development and vegetative growth.
You can stack these loose in box Grodan Grow-Cubes on top of one another, which leaves air space in between them for explosive root growth. There are four surfaces from each cube which water can drain from. No matter how much you water, you won't struggle with these blocks becoming waterlogged!
They are also very easy to mix with other potting mixes, so once your roots are developed and it's time to transplant, you can just put these add these to coco or soil. For the best results, we recommend mixing these with Clay Pebbles & Growstones .
