First Purchase? Get 10% Off

Mega Deals - Save Up to 35%

🔥Follow us on Instagram - Unlock Instant 10% Off

🎉 Affiliate / Influencer Program – Earn 10%

Mardel

Mardel, Maracyn Oxy Fungal Aquarium Medication, 4 Oz (Treats 472 Gallons) Mardel

Mardel, Maracyn Oxy Fungal Aquarium Medication, 4 Oz (Treats 472 Gallons)

$11.59

Universal Herbs Inc
31909 Hayman St. Hayward CA 94544 USA

support@herbspro.com

(Mon - Fri) 9 AM - 6 PM PST

Sign up for exclusive updates — enjoy 10% off your first order

We use your email address to send you our Health Newsletters, along with updates on HerbsPro’s products, services, promotions. You can unsubscribe anytime by clicking the link in any of our emails. To learn more about how we use your personal information and your rights, please see our Privacy Policy.

Follow us:

Mobile Apps
Get extra 12% off, use code: APPFIRST

QR code to download the HerbsPro app from Google Play and App Store

Google Pay

App Store

©2026 HerbsPro, Inc. All Rights Reserved.

HerbsPro® is a registered trademark of HerbsPro, Inc.
Disclaimer: The information provided on this website, as well as the products sold through HerbsPro.com, have not been evaluated by the U.S. Food and Drug Administration (FDA). These products are not intended to diagnose, treat, cure, or prevent any disease. HerbsPro, Inc. is solely affiliated with HerbsPro.com, HerbsPro.in, and HerbsPro.ae. We are not responsible for products offered, sold, or shipped by unauthorized sellers, resellers, or third-party platforms. All brand names, logos, and trademarks referenced on this site remain the property of their respective owners. Read More

Accessibility Statement : HerbsPro is committed to ensuring that our website is accessible and usable by all individuals, including those with disabilities. We strive to comply with applicable accessibility standards, including the Web Content Accessibility Guidelines (WCAG) 2.1, and to provide an inclusive and positive online experience for every customer.
If you encounter any difficulty accessing our website, or if you identify a feature, function, or content that is not fully accessible, please contact our Customer Service team at 510-324-2900 or email us at support@herbspro.com with “Accessibility Inquiry” in the subject line. Please provide a description of the issue you experienced and the specific page or functionality involved.
Your feedback is important to us, and we will carefully consider it as we evaluate and enhance the accessibility of our website and services. While some third-party content may appear on our site, HerbsPro strongly encourages its partners and vendors to maintain accessibility standards in their digital content. Read More