Description
xOverview
Seachem PolyGuard comes in a 10 g bottle (0.4 oz) and is designed for ornamental fish in freshwater and marine aquariums. For aquarium use only, keep away from children; it is not intended for human consumption or for animals raised for human consumption. This product is positioned as a flexible option within hobbyist care routines, rather than a guaranteed outcome.
What’s inside
Active ingredients include sulfathiazole (36%), malachite green (1.9%), nitrofurantoin (0.14%), nitrofural (0.14%), and quinacrine dihydrochloride (0.27%). This multi-ingredient blend is designed to address a range of common tank concerns in both freshwater and marine environments while aiming to minimize disruption to the broader tank community.
Who it’s for
PolyGuard is suitable for hobbyists managing ornamental fish in freshwater or marine setups who want a versatile option to support tank health and stability when issues arise.
How PolyGuard can help in your tank
- Supports ornamental fish health in both freshwater and marine tanks.
- Designed for aquarium use only; keep away from children; not for human consumption.
- Compatible with typical hobby setups and community tanks when used as directed.
Usage and management tips
- Follow the label for dosage and duration; avoid mixing with other chemical treatments unless advised.
- Consider temporarily removing carbon filtration during treatment if the label recommends it.
- Observe fish behavior and water quality during treatment; plan any required follow-up maintenance after use.
Real-world use scenarios
Hobbyists may turn to PolyGuard when signs of stress appear in ornamental fish, such as unusual swimming, color changes, or appetite changes. The product is designed to fit into standard care workflows and may help support tank stability in varied setups.
Why choose PolyGuard
This Seachem formula combines multiple active ingredients to provide a broad approach within a single bottle. While not a guaranteed cure, it offers a practical option for addressing concerns in both freshwater and marine displays, backed by the brand’s long-standing presence in the hobby.
How to integrate PolyGuard into your routine
Use PolyGuard as part of a cautious care plan that includes regular water testing, appropriate filtration, and timely water changes. Treat with awareness of tank mates and prior medication history to maintain balance in your display.
FAQ
Q: What is Seachem PolyGuard used for?
A: PolyGuard is a multi-ingredient treatment designed for ornamental freshwater and marine fish to support health in tanks.
Q: What precautions should I follow when using PolyGuard?
A: Follow the label for freshwater or marine aquaria; keep out of reach of children; do not use with animals for human consumption.
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.
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