Other for Aquariums Sera

High performance filter medium made of sintered glass, especially for smaller aquariums. It allows maximum increase of the settling surface for purification bacteria but has a compact shape at the same time, which allows biological filtration even when using smaller filter units. The water parameters stabilize lastingly, the maintenance effort is reduced.

Natural granules for bigger goldfish and other coldwater fish without dyes and preservatives. With Spirulina

High performance filter medium made of sintered glass, especially for smaller aquariums. It allows maximum increase of the settling surface for purification bacteria but has a compact shape at the same time, which allows biological filtration even when using smaller filter units. The water parameters stabilize lastingly, the maintenance effort is reduced.

The innovative, patented 3D fiber structure of sera crystal clear Professional very quickly removes even smallest particles above 10 um (such as floating algae or sludge). Unlike common filter wool, the filter balls keep their shape and can be washed out several times, they are 80% reusable after washing out. The high performance filter medium is suitable for both freshwater and marine aquariums and all filter types.

Sera Koi Royal Nature Medium (4 mm/0.15 in.) is the staple food consisting of carefully processed granules without dyes and preservatives. Valuable ingredients such as omega fatty acids and immune stimulating mannan oligosaccharides support the healthy development and disease resistance. 4% sustainably bred insect meal complete the carefully compiled ingredient list.

One of the smallest working skimmers. Ideal for nano aquariums.

A master test kit for freshwater aquariums. Consists of 9 different water tests for aquarists and pond owners. Contains tests for pH, kH, GH, NH3/NH4, NO2, NO3, PO4, Fe, Cl.