Ocean Free Hydra 50 Internal Filter bulky Flexible use: Suitable for freshwater

Flexible use: Suitable for freshwater and saltwater tanks and terrariums

This soft and slowly sinking granulated food is the ideal basic food in marine aquariums

Highly digestible formula with fibre for easy litter box clean up

The Dymax CO2 Professional Regulator RX-122 provides accurate regulation of CO2 for the aquarium

Its controls make it simple to regulate the timing of the pumps connected to it

Ocean Free Hydra 50 Internal Filter bulky Flexible use: Suitable for freshwaterThe Ocean Free Hydra 50 internal filter uses Hydro Pure technology to ensure your tank has stable water quality while being environmentally friendly. By filtering through the Hydras 3 step process, the Hydra will turn your ammonia, nitrate, nitrite and phosphate into biologically clean water. Suitable for tanks 500 800L.