---
product_id: 173677006
title: "Reef Foundation A (Ca/Sr) Supplement, 1000ml - Calcium & Strontium Additive for Healthy Coral Growth in Marine & Reef Aquariums"
brand: "red sea"
price: "€ 78.29"
currency: EUR
in_stock: true
reviews_count: 7
url: https://www.desertcart.it/products/173677006-reef-foundation-a-ca-sr-supplement-1000ml-calcium-and-strontium
store_origin: IT
region: Italy
---

# Supports balanced coral skeleton growth Daily liquid dosing for consistent reef health Calcium & Strontium precise ratio Reef Foundation A (Ca/Sr) Supplement, 1000ml - Calcium & Strontium Additive for Healthy Coral Growth in Marine & Reef Aquariums

**Brand:** red sea
**Price:** € 78.29
**Availability:** ✅ In Stock

## Summary

> 🌊 Build the foundation your reef deserves — because your corals deserve the best!

## Quick Answers

- **What is this?** Reef Foundation A (Ca/Sr) Supplement, 1000ml - Calcium & Strontium Additive for Healthy Coral Growth in Marine & Reef Aquariums by red sea
- **How much does it cost?** € 78.29 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/173677006-reef-foundation-a-ca-sr-supplement-1000ml-calcium-and-strontium)

## Best For

- red sea enthusiasts

## Why This Product

- Trusted red sea brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Daily Liquid Supplement:** Easy-to-dose 1000ml bottle ensures consistent coral growth support
- • **Trusted Reef Care Program:** Part of Red Sea’s scientifically-backed system for thriving marine aquariums
- • **Magnesium-Enhanced Formula:** Boosts balanced coral skeleton formation and reef vitality
- • **Proven Coral Growth Booster:** Highly rated by reef enthusiasts for visibly healthier, vibrant corals
- • **Precision Calcium & Strontium Blend:** Formulated in coral-preferred ratios for optimal skeletal strength

## Overview

Red Sea Reef Foundation A is a premium 1000ml liquid supplement delivering a precise blend of calcium, strontium, and magnesium tailored to support healthy coral skeleton growth in marine and reef aquariums. As a core component of Red Sea’s Reef Care Program, it ensures daily, balanced mineral replenishment for vibrant, thriving coral ecosystems.

## Description

desertcart.com : Red Sea Reef Foundation A (Ca/Sr) Supplement, 1000ml - Calcium & Strontium Additive for Healthy Coral Growth in Marine & Reef Aquariums : Pet Supplies

Review: Awesome product - keeps my corals growing nice and beautifully!!
Review: Great product - Does great for corals

## Features

- Red Sea Foundation A aquarium supplement
- Part of Red Sea's Reef Care Program for optimal aquarium coral health
- Contains blended salts of calcium and strontium in the ratio required by corals
- Also contains magnesium, which helps support balanced formation of the coral skeleton
- Add this liquid supplement to your aquarium daily to form the basic foundation of coral skeletons

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B074MKR92B |
| ASIN  | B074MKR92B |
| Age Range Description | Young Adult |
| Best Sellers Rank | #266,042 in Health & Household ( See Top 100 in Health & Household ) #1,213 in Calcium Mineral Supplements |
| Brand Name | Red Sea |
| Color | Red |
| Customer Reviews | 4.8 4.8 out of 5 stars (125) |
| Date First Available | August 18, 2004 |
| Date First Available  | August 18, 2004 |
| Department | All Ages |
| Department  | All Ages |
| Directions | use as directed |
| Included Components | 1 Liter reef foundation |
| Is Discontinued By Manufacturer  | No |
| Item Dimensions LxWxH | 3.15 x 7.87 x 3.15 inches |
| Item Package Dimensions L x W x H | 10.2 x 3.62 x 3.5 inches |
| Item Weight | 0.77 Kilograms |
| Item model number | Red Sea Reef Foundation A Supplement (Ca |
| Item model number  | Red Sea Reef Foundation A Supplement (Ca |
| Manufacturer | Red Sea |
| Manufacturer  | Red Sea |
| Material | cotton |
| Model Name | Red Sea Reef Foundation A Supplement (Ca/Sr) - 500ml |
| Number of Items | 1 |
| Product Dimensions  | 3.15 x 7.87 x 3.15 inches; 1.7 Pounds |
| Size | 1 |
| Specific Uses for Product | Reef Aquarium, Marine Aquarium |
| Style | Classic |
| Target Audience Keyword | fish |

## Product Details

- **Brand:** Red Sea
- **Item Form:** Liquid
- **Item Weight:** 0.77 Kilograms
- **Liquid Volume:** 500 Milliliters
- **Manufacturer:** Red Sea

## Images

![Reef Foundation A (Ca/Sr) Supplement, 1000ml - Calcium & Strontium Additive for Healthy Coral Growth in Marine & Reef Aquariums - Image 1](https://m.media-amazon.com/images/I/613ucKNfHbL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Awesome product
*by M***Y on August 17, 2023*

keeps my corals growing nice and beautifully!!

### ⭐⭐⭐⭐⭐ Great product
*by Y***A on March 23, 2021*

Does great for corals

### ⭐⭐⭐⭐⭐ A must for reef aquariums
*by B***D on August 19, 2020*

My corals look a lot better using the red sea

## Frequently Bought Together

- Aqcult 306167 1 Ltr Red Reefer Foundation A Calcium & Strontium
- Red Sea Aqcult 306168 1 LTR Reefer Foundation B Alkalin
- Red Sea Reef Foundation C, Magnesium Supplement, 1 Liter

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-05-04*