Hang-On-Tank (H.O.T.) style skimmers dodn't take up space in or under a tank, require no or very little plumbing and are compact yet efficient. H.O.T. models are counter current, venturi and/or spray bar driven units that are combined with the above features and others, making them highly efficient skimmers.
The CPR Bak-Paks are well constructed all in one units, containing a protien skimmer and biological filter chamber as well as a Rio 600 pump. These are some of the most popular combination skimming and bio-filtration units on the market.
A versatile skimmer, this unit can be used as hang-on, fixed outside of the aquarium frame as well as inside or outside of a sump in a cabinet. Operating on a venturi pump, it features the same unique needle wheel technology that all Turboflotor models have.
The Red Sea Prizm skimmer is a compact unit which includes a venturi skimmer, integral water and air regulators and a skim enhancing, 2 stage, convergent-divergent reaction chamber.
The Berlin HO model is a venturi driven Berlin skimmer, designed to hang directly on the tank or sump. This model works well for the hobbyist that has limited space or who would prefer not to use a sump. Same features as the Berlin Classic.
The AquaC Remora hang-on-tank units are super-slim, Patented Injection System driven skimmers that can be installed in seconds and come complete with pumps. Available in two models.