Seachem SulfaPlex

★★★★★ 4.7 45 reviews

US$3.26
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US$3.26
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Free shipping Free 30-day returns

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Product details

Management number 234675300 Release Date 2026/07/02 List Price US$3.26 Model Number 234675300
Category

SulfaPlex is an effective and safe treatment for many bacterial, fungal and protozoan infestations in the aquarium. While it can be used in both freshwater and saltwater, it is particularly effective against the common bacterial and fungal infections of freshwater fish. It is also among the gentler antibiotics, and great for treating fish that are already stressed. It is easily removed with carbon and does not impair nitrification.

Active ingredients: sulfathiazole (69%) Inactive ingredients: excipients (31%)

Directions:

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 2-3 measures (included) per every every 40 L (10 US gallons). Repeat this dose every 72 hours for a maximum of 3 weeks.

Dosing in Food

SulfaPlex is most effective when used in the water, but it can also be added to the food. Feed the medicated food mix (recipe below) every day until the infection clears or up to 3 weeks.

  • 1 scoop SulfaPlex
  • 1 scoop Focus
  • 1 tbsp food (preferably pellets or frozen food)
  • A few drops of water if using a dry food

To enhance palatability use with GarlicGuard or Entice.

After Treating

When the treatment period is over, SulfaPlex can easily be removed using activated filter carbon like MatrixCarbon. It does not linger in the substrate or filter media of the tank.


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45 ratings | 18 reviews
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