Multicolor Switching: 6 color LEDs change automatically which can make your aquarium more colorful and promote fish growth Good Design: Safety low voltage, energy saving, ideal for aquarium, fish tank, swimming pool, pond, etc High Quality: Made of quartz sand,High quality LED lamp beads, longer life The effect: Create colorful bubbles for the aquarium and decorate your aquarium Package: Bubble Stone with suction cups, air tube and adapter. Air pump is not included Directions 1. Soak the stone for 1 hour before lighting it. 2. If algae expansion reduces airflow after prolonged use, clean the surface with a stiff brush. 3. The volume and pressure output of the air pump will determine how much surface area of the stone will release bubbles. Warning 1. The operating voltage must be compatible with the voltage specified by the transformer 2. When use with the air pump(Not included), the latter should be placed above the water level of the aquarium. 3. Disconnect the power before
