Design for Hang-On and Sump Installations.  

Prizm Pro Surface Skimmer

Hang-on skimmer to remove huge quantities of protein.  

Includes adjustable surface skimmer and chemical filtration cartridge

Berlin  provides exceptional protein skimming and superb build quality.  

Design specifically for use in marine aquariums, where accuracy is paramount.

This precision hydrometer can be used as a continuous in-tank indicator.

Marine lab Master Test Kit for marine aquarium

Unique design to ensure trouble free fluidization on start-up