---
product_id: 625361417
title: "BashseaRed 4-18 Filter Media Chamber Reactor for Aquarium | High Media Volumes with Evenly Distributed Flow Maximize Water Media Contact Time for Freshwater & Saltwater Marine Reef Fish Tank"
brand: "bashsea"
price: "¥51596"
currency: JPY
in_stock: true
reviews_count: 2
url: https://www.desertcart.jp/products/625361417-bashseared-4-18-filter-media-chamber-reactor-for-aquarium-high
store_origin: JP
region: Japan
---

# 0.86 Gallons Media 6" x 6" x 19.5" 150-300 GPH Flow Rate BashseaRed 4-18 Filter Media Chamber Reactor for Aquarium | High Media Volumes with Evenly Distributed Flow Maximize Water Media Contact Time for Freshwater & Saltwater Marine Reef Fish Tank

**Brand:** bashsea
**Price:** ¥51596
**Availability:** ✅ In Stock

## Summary

> 🌊 Dive into Clarity with Every Drop!

## Quick Answers

- **What is this?** BashseaRed 4-18 Filter Media Chamber Reactor for Aquarium | High Media Volumes with Evenly Distributed Flow Maximize Water Media Contact Time for Freshwater & Saltwater Marine Reef Fish Tank by bashsea
- **How much does it cost?** ¥51596 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/625361417-bashseared-4-18-filter-media-chamber-reactor-for-aquarium-high)

## Best For

- bashsea enthusiasts

## Why This Product

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

## Key Features

- • **User-Friendly Setup:** Easy installation allows you to focus on enjoying your aquatic paradise.
- • **Compact Yet Powerful:** Space-saving dimensions without compromising on performance.
- • **Versatile Compatibility:** Perfect for both freshwater and saltwater marine environments.
- • **Efficient Media Distribution:** Evenly distributed flow enhances media contact time for superior filtration.
- • **Maximize Your Aquarium's Potential:** Designed for 125-225 gallon tanks, ensuring optimal water quality.

## Overview

The Red 4-18 Filter Media Chamber Reactor is engineered for aquarists seeking high media volumes and efficient water flow. With dimensions of 6" x 6" x 19.5" and a capacity of 0.86 gallons, it supports aquariums ranging from 125 to 225 gallons, making it an essential tool for maintaining pristine water conditions in both freshwater and saltwater setups.

## Description

BashseaRed 4-18 Filter Media Chamber Reactor for Aquarium | High Media Volumes with Evenly Distributed Flow Maximize Water Media Contact Time for Freshwater & Saltwater Marine Reef Fish Tank

## Features

- Dimensions: 6" x 6" x 19.5" Chamber Dimensions: 4" x 17.5" Holds 0.86 Gallons of Media Input/Output: 0.5" Flow Rate Min/Max: 150 / 300 GPH Recommended for 125 - 225 Gallon Aquariums.

## Images

![BashseaRed 4-18 Filter Media Chamber Reactor for Aquarium | High Media Volumes with Evenly Distributed Flow Maximize Water Media Contact Time for Freshwater & Saltwater Marine Reef Fish Tank - Image 1](https://m.media-amazon.com/images/I/51eKPOSNzsL.jpg)
![BashseaRed 4-18 Filter Media Chamber Reactor for Aquarium | High Media Volumes with Evenly Distributed Flow Maximize Water Media Contact Time for Freshwater & Saltwater Marine Reef Fish Tank - Image 2](https://m.media-amazon.com/images/I/51X64ADGoOL.jpg)
![BashseaRed 4-18 Filter Media Chamber Reactor for Aquarium | High Media Volumes with Evenly Distributed Flow Maximize Water Media Contact Time for Freshwater & Saltwater Marine Reef Fish Tank - Image 3](https://m.media-amazon.com/images/I/710wZTWqwNL.jpg)
![BashseaRed 4-18 Filter Media Chamber Reactor for Aquarium | High Media Volumes with Evenly Distributed Flow Maximize Water Media Contact Time for Freshwater & Saltwater Marine Reef Fish Tank - Image 4](https://m.media-amazon.com/images/I/61NOVm2EGXL.jpg)
![BashseaRed 4-18 Filter Media Chamber Reactor for Aquarium | High Media Volumes with Evenly Distributed Flow Maximize Water Media Contact Time for Freshwater & Saltwater Marine Reef Fish Tank - Image 5](https://m.media-amazon.com/images/I/71d-k7YoRAL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Effective Chaeto Reactor: White Filter Media Chamber
*by J***O on July 2, 2024*

Great for Large Tanks:I’m using the White 4-18 Filter Media Chamber Reactor on my 150-gallon reef tank as a chaeto reactor. It’s fairly large, which suits the needs of my tank perfectly.Efficient Design:I wrapped the outside of the case with refugium lights, and it works quite well. The design ensures that the water media contact time is maximized, thanks to the evenly distributed flow.High Media Volume:The reactor can handle high media volumes, making it efficient for both freshwater and saltwater setups. It provides ample space for the chaeto, helping to maintain water quality in my reef tank.Final Thoughts:Overall, this filter media chamber reactor is an effective addition to my reef tank setup. Its large size and efficient design make it a great choice for anyone looking to improve their tank’s filtration. If you need a reliable chaeto reactor, this one is worth considering.

### ⭐⭐⭐⭐⭐ Nice reactor
*by J***Y on June 4, 2024*

This is a great reactor. It’s solid and operates just as good as the big name brand guys. I’d buy this again if I need another reactor.

## Frequently Bought Together

- Bashsea Red 4-18 Filter Media Chamber Reactor for Aquarium | High Media Volumes with Evenly Distributed Flow Maximize Water Media Contact Time for Freshwater & Saltwater Marine Reef Fish Tank
- Seachem Reef Glue Cyanoacrylate Gel Coral Frag Mounting, 20g (001167)
- Premium Activated Carbon, Aquarium Carbon for Fish Tank Filter, Aquarium Filter Media, Granulated Charcoal for Fish Tanks, Activated Charcoal Bulk (5.5 lbs with Fine Mesh Bag)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.jp/products/625361417-bashseared-4-18-filter-media-chamber-reactor-for-aquarium-high](https://www.desertcart.jp/products/625361417-bashseared-4-18-filter-media-chamber-reactor-for-aquarium-high)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-27*