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Simply place Ammonia Alert® and pH Alert® visibly anywhere in the aquarium or filter
EHEIM SUBSTRATpro
It comes with a suction cup
The baskets are precision-engineered to eliminate water by-pass
AA Aquarium GKM Internal UV Purifier & Algae Remover (up to 450L) Plant Substrates Simply place Ammonia Alert® andThis 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
