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Metronidazole is an effective and safe treatment for several protozoan and anaerobic bacterial diseases of fish (Cryptocaryon, Hexamita, Ichthyophthirius). It does not adversely affect the filter bed and is easily removed with carbon. There is little danger of overdosing. Usual dose is 125 mg/10 gallons. Contains metronidazole.

Product Benefits
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Ingredients

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Suggestions

\nUse Instructions:Dosing in Water: Remove all invertebrates - these are extremely sensitive to medication. Turn off UV filters, ozone filters, and remove chemical filtration like MatrixCarbon™ and Purigen®. Use 1-2 measures (included) per every 40 L (10 US gallons). Repeat this dose every 48 hours for up to 3 weeks or until symptoms disappear.After Treating: When the treatment period is over, MetroPlex™ can easily be removed using activated filter carbon like MatrixCarbon™. It does not linger in the substrate or filter media of the tank.\n
\nFeeding Instructions:Dosing in Food: Feed the medicated food mix (recipe below) every day until the infection clears or up to 3 weeks. This medicated food can be refrigerated or frozen between feedings.1 scoop MetroPlex1 scoop Focus™1 tbsp food (preferably pellets or frozen food)A few drops of water if using a dry foodTo enhance palatability use with GarlicGuard™ or Entice™\n

Special Note

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Warnings

Disclaimer

Herbspro.com offers\n\t\t\t\t\t\t\t\tnationally branded products that are produced according to manufacturing standards\n\t\t\t\t\t\t\t\tset by regulators at everyday low prices. Do not use unproven, unbranded products, which can pose serious risks to your health.","brand":{"@type":"Brand","name":"Seachem"},"category":"Other Pet Care Products","dateModified":"2026-05-05T22:10:13.994444","offers":{"@type":"AggregateOffer","lowPrice":8.56,"highPrice":8.56,"priceCurrency":"USD","priceValidUntil":"2026-06-20","offerCount":1,"availability":"https://schema.org/InStock","url":"https://storestream.ai/products/seachem-metroplex-5-grams-7cac3b85","hasMerchantReturnPolicy":{"@type":"MerchantReturnPolicy","applicableCountry":"US","returnPolicyCategory":"https://schema.org/MerchantReturnFiniteReturnWindow","merchantReturnDays":30,"returnMethod":"https://schema.org/ReturnByMail","returnFees":"https://schema.org/FreeReturn"},"shippingDetails":{"@type":"OfferShippingDetails","shippingDestination":{"@type":"DefinedRegion","addressCountry":"US"},"shippingRate":{"@type":"MonetaryAmount","value":"0","currency":"USD"},"deliveryTime":{"@type":"ShippingDeliveryTime","handlingTime":{"@type":"QuantitativeValue","minValue":0,"maxValue":1,"unitCode":"DAY"},"transitTime":{"@type":"QuantitativeValue","minValue":1,"maxValue":7,"unitCode":"DAY"}}},"offers":[{"@type":"Offer","seller":{"@type":"Organization","name":"Universal Herbs Inc"},"price":8.56,"priceCurrency":"USD","priceValidUntil":"2026-06-20","availability":"https://schema.org/InStock","url":"https://herbspro.com/products/metroplex-211767","itemCondition":"https://schema.org/NewCondition","hasMerchantReturnPolicy":{"@type":"MerchantReturnPolicy","applicableCountry":"US","returnPolicyCategory":"https://schema.org/MerchantReturnFiniteReturnWindow","merchantReturnDays":30,"returnMethod":"https://schema.org/ReturnByMail","returnFees":"https://schema.org/FreeReturn"},"shippingDetails":{"@type":"OfferShippingDetails","shippingDestination":{"@type":"DefinedRegion","addressCountry":"US"},"shippingRate":{"@type":"MonetaryAmount","value":"0","currency":"USD"},"deliveryTime":{"@type":"ShippingDeliveryTime","handlingTime":{"@type":"QuantitativeValue","minValue":0,"maxValue":1,"unitCode":"DAY"},"transitTime":{"@type":"QuantitativeValue","minValue":1,"maxValue":7,"unitCode":"DAY"}}}}]}}

Seachem, MetroPlex, 5 Grams

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