Aerate and circulate your nutrient reservoir with Active Aqua Air Stones by Hydrofarm. The micro-pore design ensures high levels of oxygenation to energize your growing solution and vastly improve plant growth. Easy to use, just add an air pump and tubing.
Features:
• Extends the life of hydroponic solutions
• Keeps roots healthy
• Promotes exceptional plant growth
• Includes easy-mount suction cups
Available in 4″ or 8″