Bestsellers by Tetra

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Bestsellers: 21 products

  • Tetra Aqua Safe
    4.9 (76)

    Tetra Aqua Safe, 500ml

    • 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 (50)

    Tetra TetraMin Food Flakes, 1L

    • Ideal for mixed fish stocking
    • Supports well-being, vitality & colours
    • Promotes a normal immune system
  • TetraMin Flake Food XL
    4.9 (14)

    Tetra TetraMin Flake Food XL, 500ml

    -5%
    • Ideal for mixed fish stocking
    • High-quality protein mix
    • BioActive formula plus prebiotics
  • Tetra Active filters
    5.0 (14)

    Tetra Active filters, 250ml

    • 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
  • TetraPro Color
    5.0 (6)

    Tetra TetraPro Color, 500ml

    • 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 ReptoMin
    5.0 (2)

    Tetra ReptoMin, 1L

    • Meets the calcium requirement
    • Particularly high protein content
    • Worm-shaped food sticks
  • Tetra PlantaMin
    4.6 (9)

    Tetra PlantaMin, 500ml

    • 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

    • 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 TabiMin Food Tablets
    4.6 (20)

    Tetra TabiMin Food Tablets, 275 tablets

    • Guaranteed clear water formula (Clean & Clear)
    • Stabilised vitamin C promotes resistance
    • Fast falling tablets
  • TetraMin Feed Granules
    4.4 (7)

    Tetra TetraMin Feed Granules, 250 ml

    • Soaks quickly & sinks slowly
    • Natural ingredients & extra prebiotics
    • BioActive formula supports the immune system
  • Tetra Test Strips 6-in-1
    4.6 (11)

    Tetra Test Strips 6-​in-​1, 25 Pcs

    • For quick and easy determination of aquarium water
    • Test strips for checking water quality indicators
    • 25 test strips in a metal can
  • Tetra Pleco Tablets
    4.8 (16)

    Tetra Pleco Tablets, 275 tablets

    • 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 Cichlid Sticks
    4.8 (4)

    Tetra Cichlid Sticks, 1l

    • Balanced & wholesome mix
    • High-quality protein mix
    • Floating, worm-like sticks
  • Tetra Crystal Water
    4.9 (8)

    Tetra Crystal Water, 500ml

    • Makes aquarium water crystal clear and clears cloudiness quickly and safely
    • Floating, cloudy particles are bound and filtered out by the filter
    • Visible results after just 2-3 hours
  • Tetra Easy Balance
    4.6 (10)

    Tetra Easy Balance, 500ml

    • Reduces cleaning effort and keeps fish and plants in shape
    • Reduces the number of water changes and stabilises important water values for up to 6 months
    • Simplifies aquarium maintenance
  • Tetra CO2 plus
    4.5 (10)

    Tetra CO2 plus, 250 ml

    • CO2 is an essential nutrient for healthy and abundant plant growth
    • Adds carbon to the water in a form that is available to plants
    • Biological release of CO2 up to a week
  • Tetra Safe Start
    5.0 (6)

    Tetra Safe Start, 250ml

    • Contains specially bred, living nitrifying bacteria that have been proven to reduce toxic ammonia and nitrite in the aquarium
    • Shelf life of 12 months without any cooling at temperatures between 20-30 ° C
    • Can be used both when setting up an aquarium, after a medication application and after every water change
  • Starter Line 30L Complete Aquarium Set with LED Day/night Lighting

    Tetra Starter Line 30L Complete Aquarium Set with LED Day/night Lighting, 30 L

    • Made of float glass
    • 4 mm glass thickness
    • With cover
  • Tetra Nitrate Minus
    5.0 (8)

    Tetra Nitrate Minus, 250 ml

    • 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 PlantaPro
    4.8 (5)

    Tetra PlantaPro, 250 ml

    • Adds targeted and quickly consumed trace elements and vitamins in plant-available form
    • For healthy and abundant plant growth
    • Lush green leaves and bright colours
  • Starter Line 54L Complete Aquarium Set with LED Day/Night Lighting

    Tetra Starter Line 54L Complete Aquarium Set with LED Day/Night Lighting, 54 L

    • Made of float glass
    • 4 mm glass thickness
    • With cover

All prices incl. VAT.