Seachem Metroplex

MetroPlex is an effective and safe treatment for several protozoan and anaerobic bacterial diseases of Discus fish such as but not limited to (Cryptocaryon, Hexamita, Ichthyophthirius).

  • It does not adversely affect the filter bed and is easily removed with carbon.
  • The usual dose is 125 mg/10 gallons.

MetroPlex Usage Directions

  • Use 1-2 measures (included) for every 40 L (10 US gallons).
  • Repeat every 2 days for up to 3 weeks or until symptoms disappear.
  • Turn off UV, ozone, and chemical filtration.
  • To feed, blend 1 measure with about 1 tablespoon of frozen food paste.
  • To minimize loss during feeding use with Focus.
  • To enhance palatability use with GarlicGuard or Entice, hence food may be refrozen.
NOTE: There is little danger of overdosing. 

Check its offer price on Amazon.


This is me Firas Sameer, the founder of, I am an aquarist guy with a passion and love for Discus fishes, I am learning every day with my hobby at home and sharing the things I am learning from my experience with you.

2 thoughts on “Seachem Metroplex

  1. What do I need to treat my discus for fin rot, and do I need to do more water changes to prevent this, and what temperature should I do for my hospital tank to treat them

    1. you can check this article on how to treat your Discus fin rot:

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