For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

Oxygen Aeration Stone: It produces uniform bubbles in the water and increases dissolved oxygen, which can provide sufficient oxygen for fish and other aquatic organisms. Used in conjunction with an oxygen pump, the bubbles are evenly dispersed, and the effect of dissolved oxygen is good.

Quality Materials: Made of high-quality materials, non-toxic, tasteless and environmentally friendly, and have no effect on fish and water quality, so you can use it with confidence.

Widely Used: Suitable for adding oxygen pumps, fish farming equipment, aquariums, fish tanks, etc. It can be used in many places and is most suitable for aeration of live fish and fish tanks.

High PerformanceProfessional manufacturing, fine workmanship. High temperature firing, good air permeability, help fish to survive and breed better. Special stainless steel connector, more durable to use.

Aquarium Accessories: Exquisite stone shape design, frosted surface, delicate and smooth,an important tool to maintain the breathing process of aquarium fish.If you have any questions, please feel free to contact us. We will reply to you as soon as possible.