King British Filter Aid+ 250ml For Cleaner & Clearer Water Boosts the Aquarium’s Biological Removes Harmful Ammonia Nitrite Coldwater, Tropical Marine Aquariums

BOOSTS THE AQUARIUM’S BIOLOGICAL FILTER REMOVES HARMFUL AMMONIA & NITRITE BREAKS DOWN AND REMOVES HARMFUL SUBSTANCES FOR CLEANER AND CLEARER WATER USE WHEN SETTING UP A NEW AQUARIUM, FOLLOWING PARTIAL WATER CHANGES OR TO BOOST FILTRATION