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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 13 - Jun 18
For Your Every Summer RSVP, with Code: SUMMER15
Description
Fin Pen™ PenicillinPenicillin from Fin Fix is an antibiotic that exerts a bactericidal action on gram positive and some gram negative bacteria. A bacterial antibiotic effective against gram positive and gram negative bacteria, as well as pathogenic bacteria. Used for infected eyes, fins or tail rot, skin ulcerations, pop eye, columnaris disease and gill disease.

Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 1062 reviews
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Product Reviews
★★★★★ 4
Bad packaging
Size: 5 Ounce (Pack of 2)
The spray nozzle on these suck.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
★★★★★ 3
Spray stops working
Size: 5 Ounce (Pack of 2)
I’ve been buying this product for awhile and keep experiencing issues. It protects your skin well but is sometimes hard to spray and half the time the nozzle stops working while there is still product in the bottle.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 27, 2024
★★★★★ 5
Perfect
Size: 5 Ounce (Pack of 2)
Goes on easy, protects well from the sun.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 10, 2024
★★★★★ 5
Full coverage
Size: 3 Fl Oz (Pack of 1)
We love using this on my 2yo. It’s very thick in texture but makes it super easy to apply and ensure full coverage. She has sensitive skin and this does not break her out
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
★★★★★ 5
Favorite sunscreen for my grandson.
Size: 3 Fl Oz (Pack of 1)
Love this product not full of chemicals
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026
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