UPETTOOLS Aquarium Air Stone Diffuser, 5.2-Inch Nano Fine-Bubble Aerator

The UPETTOOLS Aquarium Air Stone is a 5.2-inch (13.2 cm) nano diffuser for adding fine bubbles to aquarium and hydroponic systems, with a design made to boost dissolved oxygen.

• Produces abundant fine bubbles with minimal noise — creates a visible bubble curtain in the water.
• Includes the air stone, 3/16-inch (4.8 mm) airline tubing and connectors — provides the key connection components for setup.
• Ready to use without pre-soaking — connect it to an air pump to start bubbling.
• Made from mineral substances sintered at high temperatures — designed for use around aquatic life.
• Resists dirt buildup and clogging — helps maintain consistent bubble production with less frequent cleaning.

For aquariums and fish tanks, this diffuser adds a fine-bubble display while supporting water aeration. It also suits hydroponic systems, where the diffuser is intended to help lower CO2 levels and raise pH. Its long, low-profile shape is made to sit at the bottom of a tank rather than float at the surface.

What does the UPETTOOLS Aquarium Air Stone do?

The UPETTOOLS Aquarium Air Stone disperses air as tiny bubbles and is designed to increase dissolved oxygen in aquarium water. In hydroponic systems, it is intended to help lower CO2 levels and raise pH. The fine bubbles form a curtain that adds movement and an underwater visual feature.

• Suitable for freshwater and saltwater tanks.
• Designed for aquarium, fish tank and hydroponic use.
• Produces a high volume of fine bubbles with minimal operating noise.

What tubing and equipment does it fit?

The UPETTOOLS Aquarium Air Stone connects to 3/16-inch airline tubing and requires an air pump to produce bubbles. The package contains one diffuser, compatible airline tubing and connectors. Its approximate weight is 7.05 ounces (200 g), helping it stay at the bottom of freshwater and saltwater tanks.

• Airline tubing diameter: 3/16 inch (4.8 mm).
• Package contents: one 5.2-inch (13.2 cm) air stone, airline tubing and connectors.
• Good to know: match your existing airline to the stated tubing diameter.

How do you set up and maintain the diffuser?

The UPETTOOLS Aquarium Air Stone is ready to use straight out of the box: connect it to an air pump without soaking it first. Its material is designed to resist dirt accumulation and clogging, helping the diffuser maintain steady bubbles and reducing the need for frequent cleaning.

• No pre-soaking is needed before initial use.
• Connect the stone to the air pump using the compatible airline and connectors.
• The anti-clogging design helps limit dirt buildup during use.

This diffuser suits aquarium keepers who want fine-bubble aeration in freshwater or saltwater tanks, as well as hydroponic growers seeking a bubbling diffuser for their system. Its 5.2-inch stone, compatible airline components and air-pump connection make it a fit for setups that use 3/16-inch tubing.

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