---
product_id: 65130529
title: "Buddie Four Stage Reverse Osmosis System with Colour Changing Mixed Bed Deionization Cartridge"
brand: "aquatic life"
price: "€ 155.11"
currency: EUR
in_stock: true
category: "Aquatic Life"
url: https://www.desertcart.at/products/65130529-buddie-four-stage-reverse-osmosis-system-with-colour-changing-mixed
store_origin: AT
region: Austria
---

# 4-stage RO purification Color-changing DI resin 180 L/day flow rate Buddie Four Stage Reverse Osmosis System with Colour Changing Mixed Bed Deionization Cartridge

**Brand:** aquatic life
**Price:** € 155.11
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your aquarium game with pure, smart water tech!

## Quick Answers

- **What is this?** Buddie Four Stage Reverse Osmosis System with Colour Changing Mixed Bed Deionization Cartridge by aquatic life
- **How much does it cost?** € 155.11 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/65130529-buddie-four-stage-reverse-osmosis-system-with-colour-changing-mixed)

## Best For

- aquatic life enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Maintenance:** Front-loaded sediment and carbon cartridges make filter changes quick and hassle-free.
- • **Plug & Play Installation:** Includes 20 feet of polyethylene tubing for seamless under-sink setup—get running in no time.
- • **High Capacity & Efficiency:** Purifies up to 180 liters per day, supporting optimal water quality for thriving aquariums.
- • **Smart Color-Changing Resin:** Innovative mixed bed deionization cartridge signals when replacement is needed—never guess again.
- • **Crystal-Clear Aquarium Water:** Advanced 4-stage reverse osmosis system ensures ultra-pure water for your aquatic life.

## Overview

The Aquatic Life Buddie Four Stage Reverse Osmosis System features a cutting-edge 4-stage filtration process including a color-changing mixed bed deionization cartridge for easy monitoring. Designed for under-sink installation, it delivers up to 180 liters of purified water daily, ensuring pristine conditions for your aquatic pets. With user-friendly front-access cartridges and included tubing, this system combines efficiency, convenience, and smart maintenance to keep your aquarium water crystal clear.

## Description

Free delivery and returns on eligible orders. Buy Aquatic Life Buddie Four Stage Reverse Osmosis System with Colour Changing Mixed Bed Deionization Cartridge at desertcart UK.

## Features

- 4-stage system with DI Color Changing Mixed Bed Resin Cartridge.
- Sediment and Carbon cartridges are up-front and easy to replace.
- Includes 20 feet of Polyethylene Tubing to plumb.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00204CQF6 |
| Best Sellers Rank | 53,445 in Pet Supplies ( See Top 100 in Pet Supplies ) 260 in Aquarium Filters |
| Brand | Aquatic Life |
| Capacity | 50 gallons |
| Container Type | Faucet |
| Country Of Origin | China |
| Customer Reviews | 4.5 4.5 out of 5 stars (4,833) |
| Global Trade Identification Number | 00810957010195 |
| Included Components | RO Buddie Four Stage Reverse Osmosis System Cartridge |
| Installation Type | Under Sink |
| Item Dimensions L x W x H | 34.9L x 19.1W x 15.2H centimetres |
| Item Weight | 3.9 Pounds |
| LowerTemperature Range | 77 Degrees Fahrenheit |
| Manufacturer | Aquatic Life |
| Manufacturer Part Number | 540019 |
| Material Type | Polyethylene,Resin |
| Maximum Flow Rate | 180 Litres Per Day |
| Model Name | 540019 |
| Model Number | 540019 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Other Special Features of the Product | Umkehrosmose |
| Power Source | Corded Electric |
| Purification Method | Reverse Osmosis |
| Supported Water TDS Level Maximum (PPM) | 300 |
| UPC | 810957010195 |
| Upper Temperature Rating | 105 Degrees Fahrenheit |

## Product Details

- **Brand:** Aquatic Life
- **Capacity:** 50 gallons
- **Included components:** RO Buddie Four Stage Reverse Osmosis System Cartridge
- **Installation type:** Under Sink
- **Material:** Polyethylene,Resin
- **Package information:** Faucet
- **Power source:** Corded Electric
- **Product dimensions:** 34.9L x 19.1W x 15.2H centimetres
- **Purification method:** Reverse Osmosis
- **Special feature:** Umkehrosmose

## Images

![Buddie Four Stage Reverse Osmosis System with Colour Changing Mixed Bed Deionization Cartridge - Image 1](https://m.media-amazon.com/images/I/71cDsgZkZfL.jpg)

## Available Options

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

## Questions & Answers

**Q: How often should I replace the filters?**
A: Sediment and carbon filters typically last 3-6 months. RO membranes last 1-2 years depending on usage. DI resin should be replaced when it changes color.

**Q: Can I use RO Buddie for drinking water?**
A: No

**Q: What is TDS, and why is zero TDS important?**
A: TDS (Total Dissolved Solids) measures minerals, salts, and impurities in water. Zero TDS means the water is completely pure, leaving no spots or residue after drying - ideal for a spotless rinse.

## Frequently Bought Together

- Aquatic Life RO Buddie 4-Stage Reverse Osmosis Deionization Water Filter System RO/DI Filtration Units for Aquarium, 50 GPD
- Instant Ocean Reef Crystals Reef Salt For 50 Gallons, Enriched Formulation For aquariums

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**Shop now:** [https://www.desertcart.at/products/65130529-buddie-four-stage-reverse-osmosis-system-with-colour-changing-mixed](https://www.desertcart.at/products/65130529-buddie-four-stage-reverse-osmosis-system-with-colour-changing-mixed)

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-11-02*