Tetra Aquarium Products

Aquarium professionals since 1951

You don't really need an introduction to Tetra. Almost everyone has heard of this renowned company, a leader in innovative research in the field of aquaristics since the 1950s. Tetra offers complete aquarium sets in various sizes and stylish matching base cabinets. The Starter Line series is particularly suitable for beginners. Tetra also offers the necessary aquarium technology in top-notch quality - air pumps, filters, heaters as well as accessories such as hoses, filter media and water tests. Their line of fish food is made with the best ingredients and enjoys high acceptance among fish. Also available are aquarium decorations and care products for healthy water, aquarium plants and fish.

Shop by category.

Filter & sort

Price
Filter

Tetra: 248 items

  • Tetra Aqua Safe
    4.9 (78)

    Tetra Aqua Safe, 500ml

    -10%
    • Makes tap water suitable for fish by immediately neutralising harmful substances
    • Neutralises dangerous chlorine, chloramine, copper, zinc and lead
    • Protects fish's gills and mucous membranes
  • TetraMin Food Flakes
    4.9 (48)

    Tetra TetraMin Food Flakes, 1L

    -10%
    • Ideal for mixed fish stocking
    • Supports well-being, vitality & colours
    • Promotes a normal immune system
  • TetraMin Flake Food XL
    4.9 (16)

    Tetra TetraMin Flake Food XL, 1L

    -10%
    • Ideal for mixed fish stocking
    • High-quality protein mix
    • BioActive formula plus prebiotics
  • EasyCrystal Filter Pack 600C with Charcoal
    5.0 (20)

    Tetra EasyCrystal Filter Pack 600C with Charcoal, 3 Pcs

    -10%
    • Replacement filter medium for Tetra EasyCrystal FilterBox 600
    • For 50-100 litres of aquarium volume
    • Serves for mechanical, chemical and biological processing
  • Tetra Complete Substrates 2.5kg
    4.9 (17)

    Tetra Complete Substrates 2.5kg, 5 kg

    -10%
    • Ready-to-use soil concentrate an effective long-term fertiliser
    • For beautiful and healthy plant growth
    • Made of the high-quality sand mixture with natural content of iron and micronutrients
  • Tetra Aquarium Air Pump - Black
    4.9 (16)

    Tetra Aquarium Air Pump -​ Black, 150

    -10%
    • Very smooth while running thanks to sound-absorbing chambers
    • Very quiet operation thanks to innovative pump design
    • Vibration-absorbing rubber feet
  • Tetra EX Plus External Filter
    5.0 (4)

    Tetra EX Plus External Filter, EX 1000 Plus

    -10%
    • Improved filter mechanism - significantly stronger performance
    • Reduced energy consumption
    • Up to 39% improved water flow rate
  • Tetra Active filters
    5.0 (10)

    Tetra Active filters, 250ml

    -10%
    • Adds highly active living bacteria and supports the permanent biological activity in the aquarium
    • Accelerates the breakdown of pollutants such as ammonia and nitrite
    • Improves the cleaning performance of the filter for clear water
  • Tetra FreshDelica Red Mosquito Larvae
    4.6 (16)

    Tetra Tetra FreshDelica Red Mosquito Larvae, 48g

    -10%
    • Innovative natural food in nutrient-rich jelly for all ornamental fish
    • Practical single portions packed sterile and germ-free
    • 3 years shelf life - even without cooling
  • TetraPro Color
    5.0 (6)

    Tetra TetraPro Color, 500ml

    -10%
    • Very high feed acceptance in all tropical ornamental fish in freshwater aquariums
    • With a colour concentrate for excellent natural colour expression
    • High nutrient content thanks to the low-temperature processing
  • Tetra Discus Granules
    5.0 (6)

    Tetra Discus Granules, 250 ml

    -10%
    • Staple food in popular granule form
    • Adapted to the special nutritional needs of discus fish
    • Contains all essential nutrients, vitamins & trace elements
  • Tetra PlantaMin
    4.6 (9)

    Tetra PlantaMin, 500ml

    -10%
    • Special controlled release formula enables nutrient release over 4 weeks
    • Iron, potassium, manganese and other essential trace elements ensure healthy and splendid plant growth
    • Vigorous plant growth is the best algae prophylaxis
  • Tetra AlguMin
    4.3 (13)

    Tetra AlguMin, 500ml

    -10%
    • Safe algae control in a mild, biological way
    • To be used for beginning algae problems
    • With humic substances as a natural anti-algae ingredient
  • Tetra Guppy Mini Flakes
    5.0 (5)

    Tetra Guppy Mini Flakes, 100 ml

    -10%
    • Specially developed mini flakes for small mouths
    • Formulated with plant-based ingredients & added minerals
    • With natural colour enhancers for bright colours
  • Tetra Guppy Colour Mini Flakes
    5.0 (4)

    Tetra Guppy Colour Mini Flakes, 250 ml

    -10%
    • Balanced & complete staple food for all guppies
    • High content of natural colour enhancers for vibrant colours
    • BioActive formula supports normal resistance
  • Tetra Pleco Tablets
    4.7 (14)

    Tetra Pleco Tablets, 275 tablets

    -10%
    • Vegetable staple food for all herbivorous bottom fish
    • Optimal, varied diet for bottom-eating and shy fish
    • Tablets sink quickly, can be placed well and dissolve slowly
  • Tetra AquaArt Explorer LED 30L
    5.0 (3)

    Tetra AquaArt Explorer LED 30L, Black

    -10%
    • Black
    • White
    • Dimensions including cover / lighting 41 x 28 x 51 cm
    • Aquarium in an attractive "Half Moon" design thanks to the 180 ° curved front screen
    • High-quality aquarium with 5mm glass thickness
  • Tetra Algezit
    4.8 (6)

    Tetra Algezit, 10 Pcs

    -10%
    • Contains intensive active ingredients against strong algae growth
    • "Emergency brake" for very strong algae growth
    • No water discolouration
  • Tetra Digital Thermometer
    4.3 (15)

    Tetra Digital Thermometer

    -10%
    • Precise measurement of the water temperature in the aquarium
    • Easy-to-read digital display
    • With suction cups for attachment
  • Tetra pH / KH Plus
    5.0 (1)

    Tetra pH / KH Plus, 250 ml

    -10%
    • Enables precise and controlled increases in carbonate hardness (KH)
    • Carbonate hardness and pH values are set precisely
    • To compensate for KH losses
  • Tetra Nitrate Minus
    5.0 (8)

    Tetra Nitrate Minus, 250 ml

    -10%
    • For permanent reduction of the nitrate content and for biocide-free algae control
    • Purely biological nitrate reduction and thus a long-term improvement in water quality
    • Algae growth is significantly restricted because algae is removed from the main source of food
  • Tetra ReptoClean
    5.0 (2)

    Tetra ReptoClean, 100ml

    -10%
    • Contains highly active bacterial spores
    • Contents: 100ml
    • Extends cleaning intervals
  • Tetra FreshDelica BrineShrimps
    4.9 (13)

    Tetra FreshDelica BrineShrimps, 48g

    -10%
    • Innovative natural food in nutrient-rich jelly for all ornamental fish
    • Usable three to weeks after opening without refrigeration
    • Clean, uncomplicated feeding thanks to practical storage on the cap
  • Tetratec Suction Cups
    5.0 (4)

    Tetra Tetratec Suction Cups, IN 300/400/600 plus

    -10%
    • Two options
    • For IN 300/400/600 plus
    • And for IN 800/1000 plus
  • Tetra Betta
    5.0 (2)

    Tetra Betta, 100 ml

    -10%
    • Staple food for betta & other labyrinth fish
    • Satisfies the special nutritional needs of fighting fish
    • Ideal protein content thanks to added krill
  • Tetra Micro Crisps
    5.0 (5)

    Tetra Micro Crisps, 100 ml

    -10%
    • For small ornamental fish
    • Slowly sinking
    • Balanced recipe
  • Tetra Bactozym
    5.0 (4)

    Tetra Bactozym, 10 tablets

    -10%
    • Selected enzymes reduce water pollution and ensure crystal-clear water
    • Ensures quick bioactivity and simplifies the introduction of new aquarium water
    • Creates an optimal growth-promoting environment for bacteria that break down waste
  • Tetra AquaArt Explorer Base Cabinet 30 / 60L
    4.8 (4)

    Tetra AquaArt Explorer Base Cabinet 30 / 60L, White

    -10%
    • White
    • Black
    • Modern crescent-shaped design in a trendy colour
    • Suitable for Tetra AquaArt Explorer Line aquariums
    • Easy installation
  • Tetratec Air Stone
    4.8 (13)

    Tetra Tetratec Air Stone, 35

    -10%
    • Fine-pored air stone for optimum oxygenation
    • Fine-beaded and even outflow of air
    • Utilisation of full pump performance due to low-pressure resistance
  • Tetra Hose for air pump
    5.0 (13)

    Tetra Hose for air pump, 2,50 m

    -10%
    • 2.5 m in length
    • Flexible silicone air hose for air stone
    • Diameter 4/6 mm (inside / outside)