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Red Sea Reef Foundation C Magnesium (Mg) Supplement, 1000ml - Maintains Magnesium Balance for Healthy Corals in Marine & Reef Aquariums
Brand: Red Sea
Condition: Used - Like New
$3149
$4094
-24% Save $945
Updated: 6 hours 39 mins ago
Description
• Reef Foundation C is a magnesium complex for balanced formation of coral skeletons. It contains blended salts of Magnesium and is part of Red Sea's complete Reef Care program. For best results dose according to a measured uptake of magnesium and in conjunction with Reef Foundation A and Reef Foundation B.
• Liquid. 1 liter.
• Concentration: 1 ml will raise the Mg level of 100 liters (25gal) by 1 ppm
• For proper use of this product you may want to use the Red Sea Magnesium Pro Aquarium Test Kit
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Product Details
- SKU:
- awhd-us-b0798tpj2z
- Model:
- 730773220342
- Country:
- US
- ASIN:
- B0798TPJ2Z
- GTIN:
- 00730773220342
- UPC:
- 730773220342
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $9 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
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Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.
