【High quality】 Our round bubble stone is made from high quality gravel, which is eco-friendly, durable and stable. 【Function】 Helps dissolve more oxygen, increasing the amount of oxygen in the water. 【Better dissolved oxygen】Nano material, ensure smaller bubbles and better dissolved oxygen, make fish living environment more comfortable and natural. 【Easy to use】 Suitable for low pressure pumps, small bubbles rise slowly, providing fantastic visual enjoyment. 【Round shape design】 Unique and fashionable, perfect for decorating any aquarium.
