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PondMAX Air Stone Sphere 2-inch
Sale price$11.98
PondMAX · Air Stone
2" air stone sphere — fine-bubble aeration
A spherical air diffuser that breaks your air pump's output into a column of fine bubbles, driving oxygen into the water where koi and beneficial bacteria need it. More dissolved oxygen means healthier fish and a stronger biofilter.
In stock — ships from Southern CaliforniaFine-bubble diffuser
Fine bubbles
Smaller bubbles transfer far more oxygen into the water.
Healthier pond
More dissolved oxygen for fish, plants and beneficial bacteria.
Sphere design
2" ball shape bubbles evenly in all directions.
Easy fit
Connects to standard air-pump tubing — drop it in and run.
Pairs with any pond air pump. Great for koi health year-round, and a winter must-have to keep a gas-exchange hole open in iced-over ponds.
PondMAX — everyday value for your pond
Pumps, filtration, UV, water care and more — one dependable, value-driven system. Shipped & serviced by Mystic Koi.