---
product_id: 343711259
title: "Reef Foundation B 1L"
brand: "red sea"
price: "12488 kr"
currency: ISK
in_stock: true
reviews_count: 5
category: "Red Sea"
url: https://www.desertcart.is/products/343711259-reef-foundation-b-1l
store_origin: IS
region: Iceland
---

# Daily automatic dosing 1L liquid supplement Balanced coral elements Reef Foundation B 1L

**Brand:** red sea
**Price:** 12488 kr
**Availability:** ✅ In Stock

## Summary

> 🌊 Elevate your reef’s foundation—because your coral deserves the best!

## Quick Answers

- **What is this?** Reef Foundation B 1L by red sea
- **How much does it cost?** 12488 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/343711259-reef-foundation-b-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 & Aquarium-Safe:** Safe for your marine ecosystem and peace of mind
- • **Precision Dosing Made Easy:** 1ml per 100L raises alkalinity by 0.1 dKH for exact control
- • **Optimized Coral Health Formula:** Balanced calcium, magnesium, and strontium for robust skeletons
- • **Foundation for Vibrant Coral Growth:** Supports essential carbonate and buffer balance for thriving reefs
- • **Seamless Integration with Reef Care:** Part of Red Sea’s trusted complete reef maintenance program

## Overview

Red Sea Reef Foundation B 1L is a premium liquid supplement designed to maintain optimal alkalinity and balanced carbonate levels essential for coral skeleton formation. With precise dosing and a blend of calcium, magnesium, and strontium, it ensures healthy coral growth and integrates seamlessly into any reef care routine.

## Description

KH/ALKALINITY FOUNDATION® B Carbonate & buffer complex for balanced formation of Coral Skeleton KH 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 coral health and growth. Red Sea’s KH/ALKALINITY is a complex of carbonate and other buffers present in seawater that maintain proper alkalinity and pH, and is part of Red Sea’s complete Reef Care program. Concentration: Liquid supplement: 1ml will raise the Alk level of 100 liters (25 gal) by 0.036 meq/l (0.1dKH) Powder supplement: 1g will raise the Alk level of 100 liters (25 gal) 0.12 meq/l (0.33dKH) 1 kg will make 10L of stock solution.

Review: Salt water tank must have.
Review: Best product

## Features

- Add this liquid supplement to your aquarium daily to form the basic foundation of coral skeletons
- Easy to use with automatic dosing
- Balanced proportions for coral health and growth

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B074MLFHS7 |
| Allergen Information | BPA-Free |
| Best Sellers Rank | #19,792 in Pet Supplies ( See Top 100 in Pet Supplies ) #150 in Fish Medication & Health Supplies |
| Brand | Red Sea |
| Brand Name | Red Sea |
| Country of Publication | USA |
| Customer Reviews | 4.7 out of 5 stars 294 Reviews |
| Global Trade Identification Number | 00730773220243 |
| Item Form | Liquid |
| Item Type Name | Red Sea KH/ALKALINITY (FOUNDATION B) - 1L |
| Item Weight | 1.33 Kilograms |
| Item form | Liquid |
| Item weight | 1.33 Kilograms |
| Liquid Volume | 1 Liters |
| Liquid volume | 1 Liters |
| Manufacturer | Red Sea |
| Target Species | Coral |
| UPC | 730773220243 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Red Sea
- **Liquid volume:** 1 Liters
- **Item weight:** 1.33 Kilograms
- **Item form:** Liquid
- **Manufacturer:** Red Sea

## Images

![Reef Foundation B 1L - Image 1](https://m.media-amazon.com/images/I/71JfPeczKbL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Salt water tank must have.
*by P***K on 13 July 2025*



### ⭐⭐⭐⭐⭐ Best product
*by N***N on 6 October 2025*



### ⭐⭐⭐⭐⭐ The product works great and was deliver on time. I have ordered this many times for many years.
*by L***Y on 26 October 2024*



## Frequently Bought Together

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

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---

*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-06*