Red Sea Reef Foundation C Reef Supplement
Liquid magnesium supplement for successful coral reef aquariums
Creates optimal aquarium conditions for strong, healthy coral growth
Use with Reef Foundation A & B for balanced coral skeleton formation
| Component | Function |
|---|---|
| Magnesium | Supports coral skeleton formation and maintains stable water chemistry |
| Water Solubility | Highly soluble for easy and consistent dosing |
| Compatibility | Works synergistically with Reef Foundation A and B |
Maintain ideal reef aquarium parameters necessary for promoting strong and healthy coral growth. Red Sea Reef Foundation C Reef Supplement is a magnesium complex that plays an important, complementary role in maintaining elevated calcium and alkalinity levels.
FAQ
How often should I add Red Sea Reef Foundation C to my reef tank?
Follow the dosage instructions on the product label, typically every 1-2 weeks depending on tank size and water parameters.
Can I use this supplement with other reef supplements?
Yes, it is designed to work with Reef Foundation A and B for balanced coral skeleton formation.
Is this product safe for fish and invertebrates?
Yes, it is formulated specifically for reef aquariums and is safe for fish and invertebrates when used as directed.



Keith Slater –
I’ve used this supplement for three months now and my corals have grown stronger and more vibrant. It works well with the A and B supplements to maintain stable magnesium levels. My tank has fewer issues with coral bleaching.
Lauren Newman –
The liquid form is easy to mix into the water. I noticed a clear improvement in coral color and structure after a few weeks of regular use. It’s a reliable part of my reef maintenance routine.
Alison Hamilton –
After switching from a generic magnesium source, I saw better coral growth and more consistent water parameters. Works perfectly with the A and B supplements as recommended.