---
product_id: 386341686
title: "Reef Foundation B Alkalinity (KH) Supplement, 5 L - Boosts Carbonate Levels for Strong Coral Skeletons in Reef & Marine Aquariums"
brand: "red sea"
price: "VT81764"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/386341686-reef-foundation-b-alkalinity-kh-supplement-5-l-boosts-carbonate
store_origin: VU
region: Vanuatu
---

# Stabilizes pH & alkalinity in reef tanks 5L liquid formula for easy dosing Balanced carbonate & buffer complex Reef Foundation B Alkalinity (KH) Supplement, 5 L - Boosts Carbonate Levels for Strong Coral Skeletons in Reef & Marine Aquariums

**Brand:** red sea
**Price:** VT81764
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Reef Foundation B Alkalinity (KH) Supplement, 5 L - Boosts Carbonate Levels for Strong Coral Skeletons in Reef & Marine Aquariums by red sea
- **How much does it cost?** VT81764 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/386341686-reef-foundation-b-alkalinity-kh-supplement-5-l-boosts-carbonate)

## 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

- • **Complete Reef Care:** Part of Red Sea’s integrated reef maintenance program for balanced marine ecosystems
- • **Safe & Tested Formula:** Clinically tested for aquarium safety, promoting healthier, vibrant reef life
- • **Supports Coral Growth:** Provides essential carbonate, calcium, magnesium, and strontium in perfect harmony
- • **Precision Alkalinity Boost:** Maintains optimal carbonate hardness (KH) for robust coral skeletons
- • **Liquid Concentrate Convenience:** Easy-to-measure 5-liter liquid form ensures hassle-free dosing and consistent results

## Overview

Red Sea Reef Foundation B Alkalinity Supplement is a 5-liter liquid formula designed to boost carbonate levels and stabilize pH in marine and reef aquariums. It delivers a balanced mix of carbonate, calcium, magnesium, and strontium, essential for strong coral skeleton growth and overall reef health. Part of Red Sea’s comprehensive reef care system, this tested and safe supplement ensures your corals thrive in a perfectly maintained aquatic environment.

## Description

Reef foundation B 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 reef foundation B is a complex of carbonate and other buffers present in seawater that maintain proper alkalinity and pH, and is part of Red Sea complete reef care program.

## Features

- Quality And Performance Driven Products For Your Pet
- Tested For Safety And Health
- Provide A Better Quality Of Living For Your Pet With Red Sea
- Package Dimensions: 4.96062992125984" L X 7.79527559055118" W X 11.4173228346457" H

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 12.7 x 5.08 x 10.16 cm; 453.59 g |
| Item model number | 63322025 |
| Pet Life Stage | All Life Stages |
| Item Form | Liquid |
| Allergen Information | Apple Free |
| Size | 5 L |
| Number of Items | 1 |
| Quantity | 1 |
| Specific Uses | Aquarium Supplies |
| batteries required | No |
| Batteries Included | No |
| Item Weight | 454 g |

## Product Details

- **Brand:** Red Sea
- **Liquid volume:** 9 Milliliters
- **Item weight:** 1 Pounds
- **Item form:** Liquid
- **Manufacturer:** Pro-Motion Distributing - Direct

## Images

![Reef Foundation B Alkalinity (KH) Supplement, 5 L - Boosts Carbonate Levels for Strong Coral Skeletons in Reef & Marine Aquariums - Image 1](https://m.media-amazon.com/images/I/71XtwFRr2mL.jpg)

## Frequently Bought Together

- Red Sea Reef Foundation B Alkalinity (KH) Supplement, 5 L - Boosts Carbonate Levels for Strong Coral Skeletons in Reef & Marine Aquariums
- Red Sea Reef Foundation A (Ca/Sr) Supplement, 5 L - Calcium & Strontium Additive for Healthy Coral Growth in Marine & Reef Aquariums
- Red Sea Reef Foundation C Magnesium (Mg) Supplement, 5 L - Maintains Magnesium Balance for Healthy Corals in Marine & Reef Aquariums

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**Shop now:** [https://www.desertcart.vu/products/386341686-reef-foundation-b-alkalinity-kh-supplement-5-l-boosts-carbonate](https://www.desertcart.vu/products/386341686-reef-foundation-b-alkalinity-kh-supplement-5-l-boosts-carbonate)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-02-16*