The air stone is a small yet extremely important part of the Grobo. In a Deep Water Culture (DWC) hydroponic system like the Grobo, it's essential to have a high-quality airstone so your plant's roots get plenty of oxygen.
Our air stone is designed for use in a Grobo, making it the perfect replacement part. It's best to replace your air stone every 6-12 months to ensure that it's performing at its best. This airstone can also be used with any air pump in an aquarium or other hydroponic setup.
To install, simply pull the old air stone off the tubing, then push the new air stone onto the tubing at the end with the nozzle.
Dimensions: 10cm (4 inches) long.