Grow-Cubes are small 1/4” cubes of stone wool (stone wool). There are several advantages:
Grow-Cubes stack on top of each other leaving air space in between them this promotes root growth.
Each cube has four surfaces from which excess water can drain. This way, even if you water a lot, the Grow-Cubes will not get water logged.
You have less algae growth on the top than with the smooth surface Gro-Blocks™.
The Grow-Cubes are the driest of our products with properties of a 50/50 mix. (50% water/50% air)
Very easy to mix with any other potting mix.
Special advantages are achieved by mixing Grow-Cubes in with clay pellets. The Grow-Cubes will help spread the water in the container as well has keeping a water buffer in between the watering.
Lightweight; approx. 1/10 of the weight of a bag of potting soil.
See Grow-Cube growing guide right for easy instructions.
Grow-Cubes™ are small loose 1/2 in cubes of stonewool. Advantages are better aeration, maximum drainage so that you can hardly ever over water your plant, easy mixing with other loose media (such as expanded clay rocks or coconut fiber), lightweight and much cleaner than peat-based media. The properties of Grow-Cubes™ make it like a 50/50 mix of absorbent to repellent stonewool.
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