The Grow Tools 50mm Airstone is a high-quality, weighted air stone that produces a fine, even stream of bubbles in any hydroponic system.

Attached to airline and air pump, the resultant bubbles will promote the distribution of oxygen within a hydroponic system to boost the water conditions and the health of the plants. This is especially important in the summer months when increasing temperatures can affect the level of oxygen in the water.

• Dimensions: 50mm