Bionood ceramic cylinders are supplied with both Aqua One's Aquarium Series and their excellent Aquis and Advance Canister Filters because they offer such excellent biological filtration capacity. Change a few regularly to maintain an efficient and stable bacterial population.
Great value Twinpack of Aqua One replacement Marine Blue PL-11W lighting tube produces a clear blue light, enhancing colours and simulating the marine environment. This Mulitpack contains 2 x PL-11 Marine Blue tubes, with 2 pin fitting.
Great value Twinpack of Aqua One PL11 Sunlight (7.1k) / Marine Blue (20k) Fluorescent High Output Energy Saving Lighting Tubes. This Multipack contains 2 x PL-11 Sunlight / Marine Blue mix tubes, with 2 pin fitting.