Best in 7 days
Pay in installments of $4.65 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 19 - Jun 24
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Seachem Reef Advantage Magnesium - 1.2 KGReef Advantage Magnesium is a concentrated (80,000 ppm) optimized blend of magnesium, chloride, and sulfate salts designed to restore depleted levels of magnesium with minimal impact to the ionic ratios found in natural sea water. Reef Advantage Magnesium contains no ammonia! This is a common contaminant in every liquid magnesium supplement on the market. Severely depleted levels of magnesium (below 800 mg L) can cause depressed pH levels and an
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
Discover Niche Categories That Outsell
Top-Converting Item to Boost Your Average Order
Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.2 ★★★★★
Based on 762 reviews
Sort
Product Reviews
★★★★★ 5
Good quality
Size: 9, Color: Cognac
Good quality and fit is true to size
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 19, 2026
★★★★★ 5
Good quality and seem durable for the shorter term.
Size: 9.5, Color: Black
Comfortable. Great for Wedding, Funeral. Not for long term I do not think. Seem almost like patent leather
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 1, 2026
★★★★★ 1
Bad, very bad
Size: 8.5, Color: Cognac
They are plastic. The quality is zero bro then I send it to me my refund.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026
★★★★★ 4
Run big
Size: 11, Color: Black
Worked for what they were needed for, they run big.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 21, 2025
★★★★★ 5
Appearance
Size: 8, Color: Tan
Looks better in person
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
