Reef Octopus USB Smart Fan - 4 Inch Tangs & Surgeonfish Helps protect small fish

Helps protect small fish

Extended-activity formula is more effective than standard iodide solutions

Small aquariums can change temperature quickly

Soft 8mm Pellets for Plecos and Community Aquariums

It gives aquarists a controlled in-tank space while still allowing the fish to remain in the aquarium water

Reef Octopus USB Smart Fan - 4 Inch Tangs & Surgeonfish Helps protect small fishReef Octopus USB Smart Fan 4 Inch The Reef Octopus USB Smart Fan 4 Inch is a temperature responsive aquarium ventilation fan for canopies, enclosed stands and equipment cabinets where heat buildup needs to be reduced. Smart Cooling Fan for Aquarium Cabinets and Canopies This 4 inch smart fan automatically increases or decreases fan speed based on the ambient temperature around the thermostat. It is useful for moving warm air out of enclosed aquarium