The Sera 100W Thermostat Heater is a fully submerible aquarium heater, for use in both freshwater and marine aquariums. The Sera 100W Thermostat Heater is heat resistant, and also comes with a protective grid.
Sera Marin Marine Granules are a staple food consisting of carefully manufactured granules for all marine fish.
Due to the carefully selected ingredients (such as iodine-rich algae, Spirulina and Krill), Sera Marin Marine Granules optimally fulfills your fishes natural requirements. The slowly sinking soft granules quickly become smooth without losing their shape, and do not pollute the water.
Sera Marin Spirulina Tabs is a food for mainly herbivorous fish and invertebrates. The carefully manufactured Sera Marin Spirulina Tablets sink to the bottom or can be attached to the aquarium glass by slight finger pressure. This allows for watching even shy fish eat right in front of you.
Silicate (SiO3) supports the growth of diatoms in marine and freshwater aquariums. The sera silicate-Test allows monitoring the silicate level reliably and easily. Silicate levels above 1 mg/l (ppm) should be bound with sera marin silicate clear (fresh and marine water).
Sera Marin O-Nip are manufactured tablets that can be attached to the aquarium glass by slight finger pressure. The high amount of food animals in Sera Marin O-Nip makes the tablets particularly tasty, wholesome and valuable for appropriate nutrition.