Avoid fish losses due to low oxygen without the need for an air pump. These stones use a harmless chemical reaction to create oxygen without excess bubbles for up to one month and are safe to use in freshwater and marine aquariums. Ideal for using during power outages, while transporting, in goldfish or betta tanks, and more|Use only bottled spring water (not distilled water) at room temperature.
Place gravel in the tank.
Put stone piece(s) on the gravel.
You may see air bubbles forming on the stone, that is the oxygen generated by the stone.
Those air bubbles will disappear, dissolving into the water.
Continues to produce oxygen for the period of about 1 month.

Create a beautiful parade of dancing, sparkling bubbles with the Flexible Bubble Wand from Marineland. Provide healthy oxygen to your aquarium easily with this aerator that can bend to fit in any aquarium. Specially weighted, no suction cups needed. Free anti-siphon valve included.

Create a beautiful parade of dancing, sparkling bubbles with the Flexible Bubble Wand from Marineland. Provide healthy oxygen to your tank easily with this aerator that can bend to fit in any aquarium. Specially weighted, no suction cups needed. Free anti-siphon valve included.

Create a beautiful parade of dancing, sparkling bubbles with the Flexible Bubble Wand from Marineland. Provide healthy oxygen to your tank easily with this aerator that can bend to fit in any aquarium. Specially weighted, no suction cups needed. Free anti-siphon valve included.

Marineland's LED Bubble Wand illuminates and aerates, while it fascinates! This exciting aeration display includes 6 LED lights to brighten up a curtain of air. A built-in air stone means it benefits your fish while looking great. Includes air stone, suction cups and a 10 ft. cord.

Marineland's LED Bubble Wand illuminates and aerates, while it fascinates! This exciting aeration display includes 6 LED lights to brighten up a curtain of air. A built-in air stone means it benefits your fish while looking great. Includes air stone, suction cups and a 10 ft. cord.

Marineland's LED Bubble Wand illuminates and aerates, while it fascinates! This exciting aeration display includes 6 LED lights to brighten up a curtain of air. A built-in air stone means it benefits your fish while looking great. Includes air stone, suction cups and a 10 ft. cord.

The Fusion Check valve is an easy way to prevent back-flow, or back-siphoning in the event of power failure or equipment malfunction. The duckbill style valve is easily installed in the airline.

This sturdy gang valve will organize all your aeration applications. Universal hanger, extra input for multiple outlet air pumps, and 4 flow-controlled valves make this a super handy accessory for your aquarium set up.

This sturdy gang valve will organize all your aeration applications. Universal hanger, extra input for multiple outlet air pumps, and 4 flow-controlled valves make this a super handy accessory for your aquarium set up.

Air Tech 2.5 is a visual air regulating valve. Included is a universal hanger allowing the unit to securely fit on all tank frames, a convenient flip cover which protects against mineral build-up and helps maintian a clean appearance. Accurate visual controls gives you instant feedback of your air flow. All plastic construction makes this valve suitable for both freshwater and saltwater aquariums.

Everyday use and peace-of-mind battery backup in an aquarium air pump. Penn Plax's Air-Pod uses 4 "D" batteries for automatic use when the power goes out. Adjustable flow control dial manages dual outlets. Also includes a power indicator light. Battery power lasts up to 150 hours. For tanks up to 55 gallons.

The Fusion Air Pump 700 is able to operate up to 15 air accessories (depending on size and demand). The patented baffle system allows you to control the flow of air with a simple turn of the dial. It provides ample power to supply your accessories, while running whisper quiet.

The Fusion Air Pump 600 is able to operate up to 9 air accessories (depending on size and demand). The patented baffle system allows you to control the flow of air with a simple turn of the dial. It provides ample power to supply your accessories, while running whisper quiet.

The Fusion Air Pump 500 is able to operate up to 7 air accessories (depending on size and demand). The patented baffle system allows you to control the flow of air with a simple turn of the dial. It provides ample power to supply your accessories, while running whisper quiet.

The Fusion Air Pump 400 is able to operate up to 4 air accessories (depending on size and demand). The patented baffle system allows you to control the flow of air with a simple turn of the dial. It provides ample power to supply your accessories, while running whisper quiet.

The Fusion Air Pump 300 is able to operate up to 3 air accessories (depending on size and demand). It provides ample power to supply your accessories, while running whisper quiet.

The Fusion Air Pump 200 is able to operate up to 2 air accessories (depending on size and demand). It provides ample power to supply your accessories, while running whisper quiet.