---
product_id: 416183113
title: "Reef Foundation A 1L"
brand: "red sea"
price: "HK$567"
currency: HKD
in_stock: true
reviews_count: 5
category: "Red Sea"
url: https://www.desertcart.hk/products/416183113-reef-foundation-a-1l
store_origin: HK
region: Hong Kong
---

# Boosts coral growth + health Precision Ca & Sr blend Balanced elemental formula Reef Foundation A 1L

**Brand:** red sea
**Price:** HK$567
**Availability:** ✅ In Stock

## Summary

> 🌟 Elevate your reef’s foundation — because your corals deserve the best!

## Quick Answers

- **What is this?** Reef Foundation A 1L by red sea
- **How much does it cost?** HK$567 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/416183113-reef-foundation-a-1l)

## 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

- • **BPA-Free & Safe:** Formulated without harmful chemicals, safe for all reef life stages.
- • **Comprehensive Reef Care:** Part of Red Sea’s complete Reef Care Program for holistic aquarium health.
- • **Efficient Dosage Control:** 1ml raises calcium by 2ppm per 100L, ensuring precise reef care.
- • **Versatile Packaging Options:** Available in liquid and powder forms with multiple sizes to fit your reef needs.
- • **Optimized Coral Skeleton Support:** Calcium and strontium perfectly balanced for vibrant coral growth.

## Overview

Red Sea Reef Foundation A is a premium calcium and strontium supplement designed to maintain the ideal elemental balance essential for coral skeleton formation. With precise dosing that raises calcium levels by 2ppm per 1ml in 100 liters, it supports healthy, vibrant coral growth as part of Red Sea’s comprehensive Reef Care Program. BPA-free and available in multiple sizes and forms, it’s the trusted choice for reef enthusiasts aiming for thriving aquatic ecosystems.

## Description

Calcium+ Supplement Foundation A Calcium And Strontium Complex For Balanced Formation Of The Coral Skeleton Ca | Sr | Ba Calcium, Magnesium, Strontium And Carbonate Are The Basic Foundation Elements Of Coral Skeletons. All Of These Elements Need To Be Available In Balanced Proportions For Positive Coral Health And Growth. Red Sea’S Calcium+ Contains Blended Salts Of Calcium And Strontium In The Ratio Required By Corals And Is Part Of Red Sea’S Complete Reef Care Program. Concentration: Liquid Supplement: 1Ml Will Raise The Ca Level Of 100 Liters (25 Gal) By 2Ppm. Powder Supplement: 1G Will Raise The Ca Level Of 100 Liters (25 Gal) By 3.6Ppm. 1 Kg Will Make 1.8L Of Stock Solution. Package Size/Volume: 250 Ml (8.5 Fl. Oz.) 500 Ml (16.9 Fl. Oz.) 1 L (33.8 Fl. Oz.) 5 L (1.32 Gal) 1 Kg – Powder (2.2 Lb).

Review: keeps my corals growing nice and beautifully!!
Review: Does great for corals

## Features

- Red Sea’s CALCIUM+ contains blended salts of calcium and strontium in the ratio required by corals and is part of Red Sea’s complete Reef Care Program.
- Calcium, magnesium, strontium and carbonate are the basic foundation elements of coral skeletons.
- All of these elements need to be available in balanced proportions for positive coral health and growth.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B074MKR92B |
| Allergen Information | BPA-Free |
| Batteries Included | No |
| Best Sellers Rank | #137,794 in Beauty ( See Top 100 in Beauty ) #1,529 in Foundation Makeup |
| Color | as per image |
| Customer Reviews | 4.8 4.8 out of 5 stars (123) |
| Date First Available | 8 August 2012 |
| Item Form | Powder |
| Item Weight | 771 g |
| Item model number | Red Sea Reef Foundation A Supplement (Ca |
| Pet Life Stage | All Life Stages |
| Product Dimensions | 8 x 20 x 8 cm; 771 g |
| Quantity | 1 |
| Special Features | Rimless, Transparent |
| Specific Uses | Active |
| batteries required | No |

## Product Details

- **Brand:** Red Sea
- **Item form:** Powder
- **Item weight:** 0.77 Kilograms
- **Liquid volume:** 500 Milliliters
- **Manufacturer:** Red Sea

## Images

![Reef Foundation A 1L - Image 1](https://m.media-amazon.com/images/I/613ucKNfHbL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by M***Y on 17 August 2023*

keeps my corals growing nice and beautifully!!

### ⭐⭐⭐⭐⭐ Review
*by Y***A on 23 March 2021*

Does great for corals

### ⭐⭐⭐⭐⭐ Review
*by B***D on 19 August 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 Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-28*