UltraKlear™ 2500 UV ClarifierThe Aquascape UltraKlear 2500 UV Clarifier effectively clears unsightly green water algae blooms. Its technologically advanced 28 watt T5 high output UV bulb maximizes the performance of the clarifier, while the narrow contact chamber increases its effectiveness significantly. The UltraKlear's internal swirl sleeve optimizes UV clarification by increasing the contact time between the algae and UV bulb, increasing UV efficiency up to 50% over