• Free Shipping on all orders over $49 • $5.99 Flat Rate Shipping on orders under $49.

  • blue_solid_circle-white_bg-svg

  • Free Shipping on all orders over $49 • $5.99 Flat Rate Shipping on orders under $49.

Navigate to the www.marineandreef.com homepage

-

10% OFF sitewide COUPON CODE through the end of February. MORE INFO.

10% OFF sitewide COUPON CODE through the end of February. MORE INFO.

10% OFF sitewide COUPON CODE through the end of February. MORE INFO.

You are here:Home >
Seachem Reef Advantage Magnesium, 300 gm

Seachem Reef Advantage Magnesium, 300 gm

$
You'll earn 30 Rewards Points
  • Brand & Manufacturer:: Seachem Reef Advantage Magnesium Additive
Product Code: RSC06360

Reef 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.
More Info Product button block

  • Please contact us with any questions you have.

  • [email protected]

    We answer all emails through 3 PM the same day (m-f).

  • (480) 491-5283

    Monday-Friday 9:00 am to 11:00 am & 1:00 pm to 3:00 pm MT. We will return all phone calls through 3 PM the same day.

    Note: we do not have daylight savings time in Arizona

© 2025 www.marineandreef.com
blue_solid_circle-white_bg-svg
Empty Cart