Red Sea – Reef Foundation A (Calcium & Strontium)
Balanced Mineral Supplement for Coral Growth
Reef Foundation A is part of Red Sea’s complete Reef Foundation program, developed through extensive coral tissue analysis to support healthy, accelerated skeletal growth in reef aquariums. This solution contains a precise blend of calcium and strontium in ratios that match natural seawater, ensuring proper mineral balance and bioavailability for hard corals.
Ready to dose with no mixing required, Reef Foundation A is made from ultra-pure raw materials to maintain optimal water chemistry in SPS and LPS reef systems.
Available Sizes:
- 500 mL
- 1000 mL
- 5000 mL
Key Details:
- Main Components: Calcium (Ca) & Strontium (Sr)
- Function: Supports strong skeletal development in corals
- Purity: Pharmaceutical-grade ingredients
- Use: Direct dosing – no dilution or mixing needed
Dosing Guide:
- 1 mL per 25 gallons raises calcium by approximately 2 ppm
- Dosage should be adjusted based on regular water testing
Complete Reef Foundation Program:
- Foundation A: Calcium & Strontium
- Foundation B: Alkalinity (Carbonates & Bicarbonates)
- Foundation C: Magnesium
For best results, use Foundation A in conjunction with B & C to maintain full ionic balance in reef aquariums.
We totally understand that plans change! You can modify or cancel your order as long as it hasn’t been shipped yet. Just call or email us right away - our team will confirm if we can catch it before it leaves our facility.
If your order is already in transit, you’ll need to request a return once it arrives. Keep in mind that some items, like aquariums and livestock, can’t be returned.
For full terms, please refer to our Refund & Return Policy.
Placing an order is simple - just add your item to the cart & complete the checkout process online. Once your order is confirmed, we'll reach out to you directly to schedule a local pick-up appointment at our facility.
* All local pick-ups are by appointment only *
Order processing typically takes 1-2 business days for products that are in stock or readily available through our network of distributors. Some products, however, are fulfilled on demand directly from our distributors, which can slightly extend processing and delivery times depending on availability and location.
Rest assured - we always work to get your order shipped as quickly as possible.
If you’d like to confirm availability or request an ETA before placing your order, you’re always welcome to call or email us.