TMC Algae Magnet Bacteria Start Carb L is essential to

Carb L is essential to the keeping of sensitive SPS and LPS corals and therefore is applied permanently

including biopellets

This gives you access to:

1x float switch also available

The open puck shape allows the dimensions to remain compact and be as unobtrusive as possible in the aquarium whilst delivering a broad even flow

TMC Algae Magnet Bacteria Start Carb L is essential toHigh quality magnetic algae cleaner for glass aquariums Uses powerful rare earth neodymium magnets to ensure effortless removal of algae Unique ergonomic design with large cleaning surface and removable blades supplied with 1 x plastic and 1 x 316 stainless steel blade Comes in 3 sizes: Small for glass up to 6mm thick Medium for glass up to 10mm thick Large for glass up to 15mm thick