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Contains essential calcium for building the structure of coral reefs and other soft animals, used with Sera marin COMPONENT 2 Sera marin COMPONENT 1 Ca - Calcium - for saltwater....

Used to determine the concentration of magnesium (magnesium) in a marine fish tank, replacement pack 3 Warning! Reagent 1 contains sodium hydroxide. Causes severe burns. Keep the reagent closed and...

Color-enhancing plant light for optimal plant growth (2450 Kelvin) Supports photosynthesis Allows for sunrise and sunset simulation when integrated with the Sera LED digital controller Suitable for freshwater aquariums Lighting...

The blue light from the slope Approximately from 18000 to 22000 Kelvin, depending on the dimmer setting Enhances the fluorescent effect in marine aquariums Suitable as additional lighting in Malawi...

Daylight with natural colors (6000 - 8000 Kelvin) Allows for simulating sunrise and sunset when combined with the digital dimmer from Sera Suitable for freshwater aquariums The Sera X-Change daylight...

True daylight and natural light (6000 - 8000 Kelvin) Allows simulation of sunrise and sunset when integrated with the Sera LED digital controller Suitable for freshwater aquariums The Sera LED...

Blue daylight lighting for freshwater and saltwater aquariums (10000 - 12000 Kelvin) Enhances blue colors Dimmable using the Sera digital dimmer High light intensity The Sera LED X-Change tube offers...

Acrylic Glass Holder for elegantly mounting Sera LED X-Change tubes on open aquariums Thanks to the transparent screws, the unobtrusive holder made of beautifully curved acrylic glass can be Edit...

Sera LED Extension Cable 1 piece. 1.2 m (3.9 ft) 31290

Staple food for optimal development of koi up to 12 cm (5 inches) Floating grains, particularly stable grains Ideal for small koi Promotes balanced growth, strengthens the immune system, and...

Friend Koi Water Treatment Rich in Minerals Instantly removes chlorine and chloramine Binds to heavy metals With mineral substancesSera Koi Protect treats all water according to the requirements of koi...

Functional food for optimal colors and healthy growth Floating pellets composed of a ring and core High in spirulina rich in pigment and Haematococcus algae rich in astaxanthin For a...

Powerful pond filter for ponds up to 40,000 liters (10,568 US gallons) or koi ponds up to 24,000 liters (6,340 US gallons) The Sera Pond Koi Professional 24000 filter offers...

Additional vitamins for more vitality Supplementary food made from emulsified multivitamin concentrate Enhances the koi food system with all valuable vitamins Fills potential supply gaps and prevents deficiencies Enhances the...

Water testing for experienced aquarists Experienced aquarists regularly test aquarium water. This allows for measures to be taken, for example against algae, quickly and easily, without the need for chemicals....

With Bacillus subtilis  for healthy and strong koi fish Specially designed innovative Food suitable for year-round feeding for koi fish longer than 15 cm in water temperatures above 8°C. The fortified pellets...

Stability and certainty Acts to create a buffer and ensures pH value Works against biofouling Creates conditions for certain species (such as African cichlid species) Carbonate hardness (KH) is one...

Stability and certainty Creates a buffer and ensures pH value Works against biological calcification Creates conditions for certain species (such as African cichlids) Carbonate hardness (KH) is one of the...

Sera Immun Pro Nature Sera Immun Pro Nature is a growth Food for all ornamental fish longer than 4 cm (1.6 inches). The probiotics are applied to the Food in...

Sera ImmunPro Nature is a growth food for all ornamental fish longer than 4 cm (1.6 inches). The probiotics are applied to the food in a particularly gentle manner, contributing...