---
product_id: 309460411
title: "Reef Builder 300G, Raises Carbonate Alkalinity Without Immediately Impacting On Ph"
brand: "seachem"
price: "10636 Ft"
currency: HUF
in_stock: true
url: https://www.desertcart.hu/products/309460411-reef-builder-300g-raises-carbonate-alkalinity-without-immediately-impacting-on
store_origin: HU
region: Hungary
---

# 300g Size Sulphite Free pH Neutral Reef Builder 300G, Raises Carbonate Alkalinity Without Immediately Impacting On Ph

**Brand:** seachem
**Price:** 10636 Ft
**Availability:** ✅ In Stock

## Summary

> 🌊 Dive into a Balanced Aquarium Experience!

## Quick Answers

- **What is this?** Reef Builder 300G, Raises Carbonate Alkalinity Without Immediately Impacting On Ph by seachem
- **How much does it cost?** 10636 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/309460411-reef-builder-300g-raises-carbonate-alkalinity-without-immediately-impacting-on)

## Best For

- seachem enthusiasts

## Why This Product

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

## Key Features

- • **Easy to Use Powder:** Convenient form for effortless application.
- • **Elevate Your Aquarium:** Boosts carbonate alkalinity without altering pH levels.
- • **Quality You Can Trust:** Backed by Seachem's commitment to aquatic health.
- • **All Life Stages Welcome:** Perfect for fish of all ages and types.
- • **Gentle on Your Ecosystem:** Maintains essential minerals like calcium and magnesium.

## Overview

Seachem Reef Builder is a premium 300g powder designed to raise carbonate alkalinity (KH) in your aquarium while maintaining stable pH levels. This product is safe for all fish life stages and does not deplete essential minerals, ensuring a thriving aquatic environment.

## Description

Reef Builder 300G, Raises Carbonate Alkalinity Without Immediately Impacting On Ph

## Features

- Raises carbonate alkalinity (KH) with minimal impact on pH
- A blend of carbonate sources that will not lower pH
- Will not deplete calcium, magnesium, or strontium

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Pet Type | Fish |
| Product Dimensions | 12.45 x 6.1 x 5.84 cm; 362.87 Grams |
| Item model number | 19264 |
| Pet Life Stage | All Life Stages |
| Item Form | Powder |
| Allergen Information | Sulphites Free |
| Color | white |
| Size | 300 g |
| Number of Items | 1 |
| Quantity | 1 |
| Specific Uses | Active |
| batteries required | No |
| Batteries Included | No |
| External Testing Certification | Não aplicável |
| Item Weight | 362 g |

## Images

![Reef Builder 300G, Raises Carbonate Alkalinity Without Immediately Impacting On Ph - Image 1](https://m.media-amazon.com/images/I/61z+2wUvA3L.jpg)

## Available Options

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

## Questions & Answers

**Q: Can this be used in a freshwater tank to raise the kh?**
A: Yes but dosing is different. Follow the instructions on the bottle.

## Frequently Bought Together

- Seachem Reef Builder, 300 g
- Seachem 67131150 Reef Glue Cyanoacrylate Gel Coral Frag Mounting, 20g
- Salifert Magnesium Test Kit, 6 Piece Set

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**Shop now:** [https://www.desertcart.hu/products/309460411-reef-builder-300g-raises-carbonate-alkalinity-without-immediately-impacting-on](https://www.desertcart.hu/products/309460411-reef-builder-300g-raises-carbonate-alkalinity-without-immediately-impacting-on)

---

*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-01-22*