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 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.
Sera Marin Spirulina Grazer XL is a herbal food for mainly herbivorous fish (such as tangs, angels and wrasses). The carefully manufactured 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.
Sera Siporax Proffesional (15mm) unrivalled biological filter media for all applications, marine, tropical and cold water aquarium suitable.
The professionals choice. 290grams Suitable for aquariums up to 200ltrs depending on application.
The Sera Filter Media Bag (Large) is an extremely durable, saltwater-proof media bag, for use with a variety of medias in both Freshwater and Marine Aquariums. The Sera Filter Media Bag (Large) also has the option of being competely locked, to ensure no media leaks through the opening.
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.
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).