Water Conditioners for Aquariums

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Water Conditioners: 95 items

Seachem Purigen

Seachem Purigen, 100 ml

  • Synthetic adsorbent
  • Removes harmful compounds
  • For freshwater and saltwater aquariums
€ 12,79 instead of € 15,99 (€ 127,90 / l)

Delivery by November 17

Tetra Aqua Safe

Tetra Aqua Safe, 500 ml

  • 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
€ 7,99 (€ 15,98 / l)

Delivery by November 17

JBL Biotopol

JBL Biotopol, 625 ml

  • Makes tap water suitable for fish
  • Neutralises heavy metals
  • With aloe vera
€ 10,39 instead of € 12,99 (€ 16,62 / l)

Delivery by November 17

Easy-Life Filter Medium

Easy-Life Filter Medium, 1.000 ml

  • Reduces stress in fish
  • Clarifies the water
  • Improves plant growth
€ 15,99 (€ 15,99 / l)

Delivery by November 17

Dennerle AquaRico BactoClean Bacto Elixir

Dennerle AquaRico BactoClean Bacto Elixir, 50 ml

  • 5,000,000,000 active filter bacteria per ampoule
  • For quick biological filter activation
  • Reduces fish waste, feed and plant residues
€ 3,44 instead of € 4,59 (€ 68,80 / l)

Delivery by November 17

Sera Aquatan

Sera Aquatan, 500 ml

  • Immediately removes chlorine and chloramines
  • Binds heavy metals and protects against ammonia
  • Adds minerals
€ 14,99 (€ 29,98 / l)

Delivery by November 17

Sera Bio Nitrivec

Sera Bio Nitrivec, 500 ml

  • Top-class liquid filter medium
  • Biologically degrades feed residues, ammonium and nitrite
  • Provides useful cleaning bacteria settlement area
€ 21,99 (€ 43,98 / l)

Delivery by November 17

ARKA Substrate Cleaner

ARKA Substrate Cleaner, 236 ml

  • For marine and freshwater aquariums
  • Reliably removes waste materials
  • 100% organic
€ 11,39 instead of € 11,99 (€ 48,26 / l)

Delivery by November 17

ARKA Special Blend

ARKA Special Blend, 473 ml

  • Degrades organic waste
  • Reduces water changes
  • Removes odours
€ 22,99 (€ 48,60 / l)

Delivery by November 17

JBL Denitrol 100ml

JBL Denitrol 100ml, 250 ml

  • When setting up
  • Living bacteria with enzymes
  • Reduction of fish excretions
€ 16,49 instead of € 21,99 (€ 65,96 / l)

Delivery by November 17

Easy-Life Aqua Maker

Easy-Life Aqua Maker, 1.000 ml

  • Removes heavy metals
  • Binds and detoxifies
  • Relieves fish
€ 17,99 (€ 17,99 / l)

Delivery by November 17

Tetra FilterActive 100ml

Tetra FilterActive 100ml, 250 ml

  • 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
€ 11,99 (€ 47,96 / l)

Delivery by November 17

Sera Nitrite-minus

Sera Nitrite-​minus, 50 ml

  • Removes up to 1.5 mg / l nitrite per dose
  • Immediate help under extreme loads
  • Binds nitrite and converts it to organic amines
€ 2,49 (€ 49,80 / l)

Delivery by November 17

ARKA Nite-Out II

ARKA Nite-​Out II, 473 ml

  • For marine & freshwater aquariums
  • For restarts, water changes & fish stocking
  • Without synthetic fabrics
€ 16,99 (€ 35,92 / l)

Delivery by November 17

Seachem Safe

Seachem Safe, 250 g

  • Highly concentrated
  • Removes chlorine & chloramine
  • Detoxifies ammonia, nitrite & nitrate
€ 15,99 (€ 63,96 / kg)

Delivery by November 17

Seachem Pristine

Seachem Pristine, 500 ml

  • For fresh & marine water aquariums
  • With various bacteria colonies
  • Removes excess nutrients
€ 27,99 (€ 55,98 / l)

Delivery by November 17

ARKA Aqua-Pure

ARKA Aqua-​Pure, 473 ml

  • Neutralises heavy metals
  • Prevents algae growth
  • 100% organic
€ 12,34 instead of € 12,99 (€ 26,09 / l)

Delivery by November 17

ARKA Aqua Balance

ARKA Aqua Balance, 236 ml

  • Spore-based
  • Improves water quality
  • For healthy aquarium inhabitants
€ 9,49 instead of € 9,99 (€ 40,21 / l)

Delivery by November 17

Sera Toxivec

Sera Toxivec, 500ml

  • Water conditioner for emergency situations
  • Immediately removes fish-toxic ammonia and nitrite
  • Binds heavy metals such as lead and copper
€ 14,99 (€ 29,98 / l)

Delivery by November 17

Tetra Nitrate Minus

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
€ 9,99 (€ 39,96 / l)

Delivery by November 17

Amtra CLEAN

Amtra CLEAN, 1.000 ml

  • Biological pollutant degradation
  • Saves 50% water changes
  • Clear and healthy aquarium water
€ 18,84 instead of € 28,99 (€ 18,84 / l)

Delivery by November 17

Seachem Stability

Seachem Stability, 500 ml

  • For a good start
  • Safe for aquatic life
  • For freshwater & marine aquariums
€ 28,99 (€ 57,98 / l)

Delivery by November 17

ARKA Phos Out 4

ARKA Phos Out 4, 473 ml

  • Simple and safe application
  • Binds organic and inorganic polymer-based phosphates
  • Without heavy metals
€ 19,99 (€ 42,26 / l)

Delivery by November 17

Easy-Life Easy Start

Easy-Life Easy Start, 1.000 ml

  • Stabilises the water
  • Highly active bacterial cultures
  • Cleans the water
€ 16,99 (€ 16,99 / l)

Delivery by November 17

Sera Blackwater Aquatan

Sera Blackwater Aquatan, 100ml

  • Vital and healthy fish, shrimp and crayfish
  • Biotope-friendly water promotes bright colours
  • Immediate binding of heavy metals
€ 4,74 instead of € 4,99 (€ 47,40 / l)

Delivery by November 17

JBL Aquadur

JBL Aquadur, 250 g

  • Saltwater purifier
  • For setting ideal water values in the freshwater aquarium
  • Constant water values - prevents pH drops
€ 17,99 (€ 71,96 / kg)

Delivery by November 17

Tetra ReptoSafe

Tetra ReptoSafe, 250ml

  • Protects the skin of the reptiles
  • Ensures stress-free water changes
  • Immediately prepares tap water for use
€ 8,99

Delivery by November 17

Garnelenhaus Salty Shrimp Bee Shrimp Mineral GH +

Garnelenhaus Salty Shrimp Bee Shrimp Mineral GH +, 3000g

  • For hardening osmosis water
  • Easily soluble
  • Only lifts the overall hardness
€ 92,99 (€ 31,00 / kg)

Free delivery by November 17

JBL ProClean Bac

JBL ProClean Bac, 50 ml

  • For healthy fish
  • Clear clean aquarium water
  • Degrades ammonium/ammonia and nitrite
€ 5,69 instead of € 5,99 (€ 113,80 / l)

Delivery by November 17

Water Conditioner - Freshwater & Saltwater

Olibetta Water Conditioner -​ Freshwater & Saltwater, 118 ml

  • For freshwater and saltwater aquariums
  • Removes chlorine/chloramines & heavy metals
  • Prevents the increase of ammonium/ammonia & nitrite
€ 2,84 instead of € 2,99 (€ 24,07 / l)

Delivery by November 17