Description
xSeachem SulfaPlex — a flexible aquarium treatment
SulfaPlex is designed to help manage a range of common fish health concerns in both freshwater and marine setups. The powder-form medication is formulated to be gentle on the biofilter while helping address bacterial, fungal, and protozoan challenges that can appear in fish tanks. The product is easily removed later with carbon and does not impair nitrification, supporting ongoing biological balance in your aquarium.
What to expect and how to use
When you notice signs of distress or color changes in fish, SulfaPlex can be considered as part of a careful treatment plan. Always follow label directions and monitor water quality during treatment. After the course, carbon can help remove residual medication from the water.
- Easy to use: simple-to-follow directions fit typical home-use scenarios.
- Value-driven: a compact 10-gram package provides necessary treatment when needed.
- Made in the United States: manufactured domestically to Seachem's standards.
Important considerations for aquarium inhabitants
SulfaPlex is recommended for certain diseases in marine and freshwater fish only. It is not suitable for any aquarium containing invertebrates, corals, crustaceans, or elasmobranchs (sharks and rays). Always identify your tank’s occupants before starting treatment and avoid cross-species exposure.
- Target organisms include bacteria, fungi, and protozoa.
- Does not impair nitrification, helping to maintain biofilter health.
- Easily removed with carbon when treatment ends.
FAQ
Q: What does SulfaPlex treat?
A: It targets many bacterial, fungal, and protozoan infections in aquarium fish.
Q: Is SulfaPlex safe for all aquarium inhabitants?
A: Not recommended for invertebrates, corals, crustaceans, or elasmobranchs; check species before use.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
- Choosing a selection results in a full page refresh.