Seachem Prime

Water conditioner for fish and saltwater aquariums

99 % of 100
At a glance...
  • Water conditioner that removes ammonia, chlorine and chloramine
  • Promotes the production of natural slime
  • Detoxifies nitrite and nitrate
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Seachem Prime is a complete and concentrated conditioner for both fresh and salt water aquariums, to remove ammonia, chlorine and chloramine. It converts ammonia to a safe, non-toxic product that is removed easily by the filter. It is ideal to use during water cycling to regulate ammonia and nitrate levels. Prime detoxifies nitrite and nitrate, allowing the biofilter to more efficiently remove them. It will also detoxify any heavy metals found in the tap water at typical concentration levels. Prime also promotes the production and regeneration of the natural slime coating on certain types of fish, keeping them in the best of health. For exceptionally high chloramine concentrations, a double dose may be used safely

Key features:

  • For fish and salt water aquariums
  • Removes ammonia, chlorine and chloramine
  • Detoxifies nitrite and nitrate
  • Promotes the production of natural slime


50ml bottle with treat up to 2000 litres
100 ml bottle will treat up to 4000 litres
250ml bottle with treat up to 10000 litres
500ml bottle with treat up to 20000 litres


5ml for each 200 litres of new water. This removes approximately 1 mg per litre ammonia, 4 mg per litre of chloramine, or 5 mg per litre of chlorine

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