Oase Cleartronic UV Clarifier Aquatic UV Sterilizers – 7 Watt

• The ClearTronic works to promote clear water and healthy fish in your fresh or marine water aquarium

• Ideal for preventing disease that can affect aquarium inhabitant

• Effectively eliminates algae and cloudiness

• Fresh and marine water compatible

• Utilize the indicator light to safely and conveniently check your bulb’s effectiveness without opening the unit