Airstone is a small and inexpensive device that is added to the water tank. This way, dissolved oxygen is thereby created through the nutrient or water solution. They often come in different sizes that best accommodate a huge tank of different sizes.
“I was able to create oxygen for my cannabis. I attached the air stone through a small tube and air pump sitting outside the tank.”
“I was impressed that with the use of an air pump, the air stone has just delivered tiny bubbles with oxygen.”