---
product_id: 721353310
title: "Brightwell Aquatics Reef Code B, Balanced Calcium and Alkalinity System for All Marine Fish and Reef Aquariums, 4 Litres"
brand: "brightwell aquatics"
price: "Rp1822351"
currency: IDR
in_stock: false
url: https://www.desertcart.id/products/721353310-brightwell-aquatics-reef-code-b-balanced-calcium-and-alkalinity-system
store_origin: ID
region: Indonesia
---

# Ionically matched to natural seawater Multi-component automatic pH buffer Balanced calcium & carbonate ratio Brightwell Aquatics Reef Code B, Balanced Calcium and Alkalinity System for All Marine Fish and Reef Aquariums, 4 Litres

**Brand:** brightwell aquatics
**Price:** Rp1822351
**Availability:** ❌ Out of Stock

## Summary

> 🌟 Elevate your reef’s vitality with science-backed balance!

## Quick Answers

- **What is this?** Brightwell Aquatics Reef Code B, Balanced Calcium and Alkalinity System for All Marine Fish and Reef Aquariums, 4 Litres by brightwell aquatics
- **How much does it cost?** Rp1822351 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.id](https://www.desertcart.id/products/721353310-brightwell-aquatics-reef-code-b-balanced-calcium-and-alkalinity-system)

## Best For

- brightwell aquatics enthusiasts

## Why This Product

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

## Key Features

- • **Stable pH Control:** Multi-component buffering system prevents harmful fluctuations
- • **Effortless Maintenance:** Simplifies calcium and alkalinity dosing for busy reef keepers
- • **Pure & Clean Composition:** Free from phosphate, silicate, and organic contaminants
- • **Scientifically Engineered:** Formulated by marine scientists for optimal reef growth
- • **Perfectly Balanced Formula:** Mimics natural seawater calcium & carbonate ratios for reef harmony

## Overview

Brightwell Aquatics Reef Code B is a 4-litre liquid supplement designed to maintain balanced calcium and alkalinity in marine and reef aquariums. When paired with Reef Code A, it replicates natural seawater ratios, stabilizes pH through a multi-component buffer, and supports the growth of corals and reef organisms. Free from phosphates, silicates, and organics, this scientifically formulated product simplifies aquarium maintenance while enhancing aquatic health.

## Description

Brightwell Aquatics Reef Code B Experience a new level of aquarium care with Brightwell Aquatics Reef Code B - the ultimate alkalinity supplement for achieving a balanced and thriving aquatic environment. Reef Code B, when used in conjunction with Part A, is an innovative two-part solution that redefines the calcium and carbonate dosage for your reef aquarium. Achieve a harmonious aquatic environment with natural seawater ratios, promoting optimal conditions for the growth of corals, mussels and reef-building organisms. Unlike single-component KH products, Reef Code B serves as a multi-component automatic buffer, providing stable pH, crucial alkalinity, and a resilient aquarium. Eliminate fluctuations and ensure a steadfast and reliable port. Enrich your aquarium with an extensive mineral boost, maintain the ion balance for optimal growth. Simplify maintenance with this expert formulation created by a marine scientist. Free from phosphate, silicate and organic materials, Reef Code B offers purity and flexibility. Whether you're setting up a new tank or maintaining an established tank, Reef Code A and B are your favorite aquarium water treatments. Their versatility extends to brackish, sea and reef aquariums and provides powerful support for a wide range of aquatic environments. Features at a glance Two-part method of dosing calcium and carbonates in the same ratio as in natural seawater Multi-component automatic buffer that controls pH Adds multiple large, small and trace elements Simplifies the maintenance of calcium and alkalinity Stronger than most competing products Contains no phosphate, silicate or organic matter Formulated by a marine scientist AMERICAN EXCELLENT EXCELLENT WARE WARNINGS st in the quality and excellence of Brightwell Aquatics, a leading brand committed to providing innovative and scientifically based products for water care. Made in the USA, we consistently strive to provide advanced solutions of superior quality to enhance the vibrancy and health of your aquarium.

## Features

- The carbonate-bearing component of a two-part method for the dosage of calcium and carbonates (the substances largely responsible for increasing alkalinity ("buffer capacity")) in the same proportion as those in natural seawater.
- Ionically balanced with respect to the natural seawater concentrations of calcium and carbonates when used in equal amounts with reef code A.
- Benefits reef-building organisms such as corals, mussels, calgae, etc.
- Simplifies the maintenance of calcium and alkalinity.
- Contains no phosphate, silicate or organic matter.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Brightwell Aquatics |
| Liquid Volume | 4 Litres |
| Item Weight | 135.26 Ounces |
| Item Form | Liquid |
| Manufacturer | Brightwell Aquatics |
| UPC | 810086018406 |
| Item model number | RCB4L |
| Package Dimensions | 30.1 x 18.01 x 10.59 cm; 3.83 kg |
| ASIN | B085PRS1VL |

## Product Details

- **Brand:** Brightwell Aquatics
- **Liquid Volume:** 4 Litres
- **Item Weight:** 135.26 Ounces
- **Item Form:** Liquid
- **Manufacturer:** Brightwell Aquatics

## Images

![Brightwell Aquatics Reef Code B, Balanced Calcium and Alkalinity System for All Marine Fish and Reef Aquariums, 4 Litres - Image 1](https://m.media-amazon.com/images/I/71v5i+nwa3L.jpg)
![Brightwell Aquatics Reef Code B, Balanced Calcium and Alkalinity System for All Marine Fish and Reef Aquariums, 4 Litres - Image 2](https://m.media-amazon.com/images/I/81laD8sZDmL.jpg)
![Brightwell Aquatics Reef Code B, Balanced Calcium and Alkalinity System for All Marine Fish and Reef Aquariums, 4 Litres - Image 3](https://m.media-amazon.com/images/I/81sfLmeV+ML.jpg)
![Brightwell Aquatics Reef Code B, Balanced Calcium and Alkalinity System for All Marine Fish and Reef Aquariums, 4 Litres - Image 4](https://m.media-amazon.com/images/I/81B-XlgRGxL.jpg)
![Brightwell Aquatics Reef Code B, Balanced Calcium and Alkalinity System for All Marine Fish and Reef Aquariums, 4 Litres - Image 5](https://m.media-amazon.com/images/I/81akIHnDHHL.jpg)

## Available Options

This product comes in different **Size** options.

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*Product available on Desertcart Indonesia*
*Store origin: ID*
*Last updated: 2026-01-26*