AA Aquarium GKM Internal UV Purifier & Algae Remover (up to 450L) Plant Substrates whether running internally or externally

whether running internally or externally

Simply place Ammonia Alert® and pH Alert® visibly anywhere in the aquarium or filter

For small aquariums up to 55 litres

Depending on whether this is in stock with the supplier

AA Aquarium GKM Internal UV Purifier & Algae Remover (up to 450L) Plant Substrates whether running internally or externallyThis Green Killing Machine (GKM) UV purifier is ideal to help polish the water creating a crystal clear, pathogen free aquarium. The item comes with its own pump, is fully submersible in your aquarium or filter sump, plus a mini LED light lets you know when the UV bulb needs to be changed for effectiveness. The water passes through the chamber in a zigzag motion to ensure maximum time of water contact with the UV light. The UV light is concealed