--- product_id: 65130529 title: "Buddie Four Stage Reverse Osmosis System with Colour Changing Mixed Bed Deionization Cartridge" brand: "aquatic life" price: "SAR 605" currency: SAR in_stock: true reviews_count: 6 category: "Aquatic Life" url: https://www.desertcart.com.sa/products/65130529-buddie-four-stage-reverse-osmosis-system-with-colour-changing-mixed store_origin: SA region: Saudi Arabia --- # 4-stage RO purification Color-changing DI resin cartridge Easy front cartridge replacement Buddie Four Stage Reverse Osmosis System with Colour Changing Mixed Bed Deionization Cartridge **Brand:** aquatic life **Price:** SAR 605 **Availability:** ✅ In Stock ## Summary > 💧 Elevate your aquarium game with pure, pristine water—because your fish deserve the best! ## 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?** SAR 605 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.sa](https://www.desertcart.com.sa/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 - • **Plug & Play Setup:** Compact under-sink design with 20ft tubing for seamless installation—no expertise needed. - • **Effortless Maintenance:** Front-access sediment and carbon cartridges make replacements quick and hassle-free. - • **Aquarium Envy Guaranteed:** Impress your friends and keep your aquatic pets thriving with luxury-grade water quality. - • **Smart Color-Changing Resin:** Know exactly when to replace your DI cartridge with intuitive color-change technology. - • **Crystal-Clear Aquarium Water:** Transforms tap water into pristine, fish-friendly H2O with advanced 4-stage filtration. ## Overview The Aquatic Life Buddie Four Stage Reverse Osmosis System delivers premium water purification through a 4-stage filtration process, including a color-changing mixed bed deionization cartridge for easy maintenance. Designed for effortless under-sink installation with included 20 feet of tubing, it ensures crystal-clear, healthy water ideal for aquarium enthusiasts seeking top-tier water quality. ## Description From the manufacturer RO Buddie Compact Reverse Osmosis & Reverse Osmosis Deionisation Systems 50 GPD & 100 GPD Models Genuine Aquatic Life Replacement Cartridges & Media Available on desertcart. In The Box: RO Unit, Cartridges, Membrane, Faucet Adapter, Membrane Wrench. Included Mounting Brackets hold the unit securely while mounted in a convenient location. Aquatic Life RO Buddie Reverse Osmosis System These compact footprint RO & RODI units provide economical filtered water! The Aquatic Life RO Buddie 3-Stage Reverse Osmosis (RO) and 4-Stage Reverse Osmosis Deionisation (RODI) systems feature unbelievable affordability and functionality, all in a very compact, easy to install and mount design. Small footprint of the unit makes it easy to place under cabinets or in limited spaces. Sediment and Carbon pre-filter cartridges are up-front and easy to replace! RO Buddie Reverse Osmosis Systems - these compact RO units provide economical filtered water. RO Buddie 3-Stage 50 & 100 GPD RO Systems RO Buddie 3-Stage Reverse Osmosis Systems - These compact footprint RO units provide economical filtered water! All systems feature unbelievable affordability and functionality in a very compact design, providing a reliable source of economical filtered water for aquarium use. Includes RO Unit, Cartridges, Membrane, Faucet Adapter, Membrane Wrench. RO Buddie TFC Membrane Housing & Membrane Designed to provide a reliable source of economical filtered water for aquarium use, all systems use Thin-Film Composite (TFC) Membranes in conjunction with Carbon and Sediment pre-filter cartridges to effectively and efficiently remove harmful substances such as heavy metals, total dissolved solids, Chlorine and particulate matter from tap water. Upgrade to a 4-Stage With Our DI Resin Cartridge! Both RO Buddie 3-Stage systems can be easily upgraded to a 4-Stage RO/DI system by adding our Deionisation (DI) Colour Changing Mixed Bed Resin Cartridge, Item #330242, sold separately. Our DI Cartridge is filled with Aquatic Life MBD-30-NG Nuclear Grade colour changing mixed bed deionisation resin. Small Footprint Makes it Easy to Install Anywhere! Small footprint of the unit makes it easy to place under cabinets or in limited spaces with included mounting bracket. Sediment and Carbon pre-filter cartridges are up-front and easy to replace. Genuine Aquatic Life replacement cartridges & media are available on desertcart. New Aquatic Life 50 GPD 4-Stage Reverse Osmosis / Deionisation (RO/DI) System! RO Buddie 50 GPD 4-Stage Reverse Osmosis/Deionisation System The 4-stage systems include our improved DI Colour Changing Mixed Bed Resin Cartridge with MBD-30-NG Nuclear Grade resin. The Cation and Anion resins (H+ and OH-) in the DI cartridge media remove most of the remaining total dissolved solids (TDS) from membrane-filtered water, and produce purified water with an average conductivity value of ~0.1µS/cm. Clear Colour Changing DI Cartridge Removes Easily for Replacement! The DI resin cartridge is refillable and has a clear housing so you know at a glance when the media needs to be replaced. Our new MBD-30 Nuclear Grade resin changes colour from blue to yellow, then tan when the media is exhausted. Each DI Cartridge includes two clips that allow the cartridge to attach to the front of the membrane housing. Included Mounting Brackets hold the unit securely while mounted in a convenient location. Quick Connections Make It Easy to Remove and Replace Cartridges All RO Buddie Reverse Osmosis systems use Thin-Film Composite (TFC) Membranes in conjunction with Carbon and Sediment pre-cartridges to effectively and efficiently remove harmful substances such as heavy metal ions, dissolved solids (TDS), Chlorine and particulate matter from municipal tap water. The 4-Stage RO/DI system includes a DI resin cartridge to remove most remaining TDS. Review: Great system and very cheap - Great system and very cheap, Worth pointing out if DOES NOT come with a Chlormide filter and have to be bought additionally Review: "AQUATICLIFE RO Buddie Plus: The Ultimate Aquarium Water Wizard!" - G'day! If you've ever thought your aquarium water looked as murky as a billabong after a storm, let me introduce you to the AQUATICLIFE RO Buddie Plus. This little wonder turns your tap water into the purest, most pristine aquarium water imaginable. Think of it as the ultimate water wizard—it takes your H2O from “ugh” to “ahh!” The RO Buddie Plus works its magic to deliver water so clean, even your fish will think they're swimming in a luxury resort. Say goodbye to algae problems and hello to crystal-clear waters! Setting up this gem is easier than finding a kangaroo in the outback. Just hook it up, and you’re good to go. No PhD in marine biology required! This compact unit fits snugly under your sink, working tirelessly to provide top-notch water quality. It's like having a mini ocean purification plant right in your kitchen, minus the fishy smell. The AQUATICLIFE RO Buddie Plus has turned my aquarium into a sparkling underwater paradise. My fish are happier than a blue-ringed octopus at high tide. If you're tired of your aquarium looking like a scene from a murky swamp, do yourself a favor and get the RO Buddie Plus. Your fish will thank you, your mates will be impressed, and you’ll be the proud owner of the best-looking tank on the block. Cheers to happy, healthy fish! 🐠 ## 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 | 96,261 in DIY & Tools ( See Top 100 in DIY & Tools ) 55 in Under-Sink Filters | | Brand | Aquatic Life | | Capacity | 50 gallons | | Container Type | Faucet | | Country Of Origin | China | | Customer Reviews | 4.5 out of 5 stars 6,119 Reviews | | Global Trade Identification Number | 00810957010195 | | Included Components | RO Buddie Four Stage Reverse Osmosis System Cartridge | | 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 | Polyethylene , Resin | | Material Type | Polyethylene,Resin | | Maximum Flow Rate | 180 Litres Per Day | | Model Name | 540019 | | Model Number | 540019 | | Other Special Features of the Product | Umkehrosmose | | Power Source | Corded Electric | | Product dimensions | 34.9L x 19.1W x 15.2H centimetres | | Purification Method | Reverse Osmosis | | Smart Home Compatibility | Not Smart Home Compatible | | Special feature | Umkehrosmose | | 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) ![Buddie Four Stage Reverse Osmosis System with Colour Changing Mixed Bed Deionization Cartridge - Image 2](https://m.media-amazon.com/images/I/81iuh7YQGFL.jpg) ![Buddie Four Stage Reverse Osmosis System with Colour Changing Mixed Bed Deionization Cartridge - Image 3](https://m.media-amazon.com/images/I/91RKtvCg2VL.jpg) ![Buddie Four Stage Reverse Osmosis System with Colour Changing Mixed Bed Deionization Cartridge - Image 4](https://m.media-amazon.com/images/I/914r9vo9TjL.jpg) ![Buddie Four Stage Reverse Osmosis System with Colour Changing Mixed Bed Deionization Cartridge - Image 5](https://m.media-amazon.com/images/I/81hEz4V-5OL.jpg) ## 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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great system and very cheap *by A***R on 19 September 2017* Great system and very cheap, Worth pointing out if DOES NOT come with a Chlormide filter and have to be bought additionally ### ⭐⭐⭐⭐⭐ "AQUATICLIFE RO Buddie Plus: The Ultimate Aquarium Water Wizard!" *by H***P on 22 February 2025* G'day! If you've ever thought your aquarium water looked as murky as a billabong after a storm, let me introduce you to the AQUATICLIFE RO Buddie Plus. This little wonder turns your tap water into the purest, most pristine aquarium water imaginable. Think of it as the ultimate water wizard—it takes your H2O from “ugh” to “ahh!” The RO Buddie Plus works its magic to deliver water so clean, even your fish will think they're swimming in a luxury resort. Say goodbye to algae problems and hello to crystal-clear waters! Setting up this gem is easier than finding a kangaroo in the outback. Just hook it up, and you’re good to go. No PhD in marine biology required! This compact unit fits snugly under your sink, working tirelessly to provide top-notch water quality. It's like having a mini ocean purification plant right in your kitchen, minus the fishy smell. The AQUATICLIFE RO Buddie Plus has turned my aquarium into a sparkling underwater paradise. My fish are happier than a blue-ringed octopus at high tide. If you're tired of your aquarium looking like a scene from a murky swamp, do yourself a favor and get the RO Buddie Plus. Your fish will thank you, your mates will be impressed, and you’ll be the proud owner of the best-looking tank on the block. Cheers to happy, healthy fish! 🐠 ### ⭐⭐⭐⭐⭐ Outstanding *by H***M on 7 February 2026* Amazing it’s output is exceeding 50GPD ## 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 --- ## 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.com.sa/products/65130529-buddie-four-stage-reverse-osmosis-system-with-colour-changing-mixed](https://www.desertcart.com.sa/products/65130529-buddie-four-stage-reverse-osmosis-system-with-colour-changing-mixed) --- *Product available on Desertcart Saudi Arabia* *Store origin: SA* *Last updated: 2026-06-02*