Grodan Grow-Cubes, 5.3 cu ft (loose in box) Garden Accessories A fibrous root system means

A fibrous root system means a greater root tip surface area and translates to a greater efficiency in the absorption of water and nutrients

eco-friendly

Every model is built for direct connection in-line with standard diameter round ducting

Terp Gerp will not do either

These Combos include our T5HO Electronic ballast

Grodan Grow-Cubes, 5.3 cu ft (loose in box) Garden Accessories A fibrous root system meansThis loose fill, non bagged product consists of small stonewool croutons about the size of a fingernail. When you use this potting mix the miniature cubes stack on top of each other and air pockets are created throughout the pot. Growcubes are difficult to overwater if the container has good drainage. The Grow Cubes are a lightweight alternative to your regular potting mix. You can use Grow Cubes in any size pot and in many different growing systems,