Seachem MetropPlex 5 oz
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Seachem MetroPlex 5 oz for Fish Parasite and Bacterial Treatment
Seachem MetroPlex 5 oz offers aquarists a reliable solution for parasites and bacterial infections. This treatment works effectively without harming biological filtration. Trusted by reef hobbyists, it supports tank stability while addressing common fish health issues. Explore more on the Seachem brand and within our Maintenance & Accessories selection.
Why Choose Seachem MetroPlex 5 oz?
Seachem MetroPlex 5 oz treats internal and external infections while remaining safe for sensitive aquarium systems. It can be dosed directly into water or mixed into food, giving aquarists flexible treatment methods.
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Controls protozoan parasites like Ichthyophthirius and Cryptocaryon
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Supports recovery from anaerobic bacterial infections
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Works in medicated food for tanks with invertebrates
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Easy removal using activated carbon after treatment
This additive also complements our Aquarium Salt & Supplements collection under supplements, and is designed to improve aquarium health and stability.
How Seachem MetroPlex 5 oz Works in Aquariums
MetroPlex penetrates the fish system, treating parasites internally and externally. Aquarists often prefer this product because it acts quickly and does not remain in substrate or filtration once removed.
Additionally, it integrates seamlessly with other Supplements used in reef and freshwater systems.
Dosing Instructions for Seachem MetroPlex 5 oz
In Water:
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Remove invertebrates before dosing.
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Switch off UV and ozone filters.
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Add 1–2 included scoops per 10 U.S. gallons.
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Repeat every 48 hours for up to 3 weeks.
In Food:
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Mix 1 scoop MetroPlex with 1 scoop Focus.
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Add 1 tablespoon of food (pellets or frozen).
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Add a few drops of water if using dry food.
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Feed daily for up to 3 weeks.
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Use GarlicGuard or Entice for better palatability.
Benefits of Seachem MetroPlex 5 oz in Reef Aquariums
Aquarists appreciate that MetroPlex does not disrupt filter bacteria. Once treatment ends, a simple water change and activated carbon return the tank to normal. This safe and reliable feature makes it suitable for display tanks when quarantining is not possible.
FAQ About Seachem MetroPlex 5 oz
How does Seachem MetroPlex 5 oz differ from other medications?
It treats both parasites and bacterial infections while remaining safe for reef systems, unlike harsher alternatives.
Can Seachem MetroPlex 5 oz be used with invertebrates?
No, invertebrates are very sensitive. Instead, use the medicated food option when inverts are present.
How long should I continue treatment with Seachem MetroPlex 5 oz?
Treat up to three weeks, or until symptoms disappear. Always monitor fish closely during use.
Does Seachem MetroPlex 5 oz affect biological filtration?
No, it leaves the filter bed unharmed and is easily removed with carbon after treatment.
Can MetroPlex be combined with other Seachem products?
Yes, it is commonly paired with Focus for food dosing, and GarlicGuard improves fish appetite during treatment.

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