Tetra HT Submersible Aquarium Heater: HT10 Heater - 50 Watt Subcategory_Flea & Tick The new and improved CF-300MKII

The new and improved CF-300MKII now includes Vortex Prime

4 test tubes and holding tray

dried Pediococcus adicilactici fermentation product

DL-methionine

Provides sufficient filtration for Paludarium water features

Tetra HT Submersible Aquarium Heater: HT10 Heater - 50 Watt Subcategory_Flea & Tick The new and improved CF-300MKIITetra's HT line of heaters are easy to use and work in aquariums ranging from 2 to 55 gallons. The heaters have electronic thermostats that automatically adjust heat output to keep water at a constant 78 degrees F. All HT heaters have indicator lights to let you know when the heater is on, heating the aquarium. All Tetra HT heaters have red green indicator lights to let you know when the heater is heating(red) or on standby(green). The low voltage