£38.37

ARKA Mixed Bed Resin 4L - Full Deioniser for RO Water

Name: ARKA Mixed Bed Resin 4L - Full Deioniser for RO Water
Brand: ARKA
Price: 38.37 GBP
Availability: InStock

Multicoloured, RPXL

Filter Accessories

About as cheap as it gets. The only time it was cheaper was 2 months ago.

£38 today · all-time low £37 (May 2026) · usually £38

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↓ Price chart
when this has been cheap or pricey

↓ Forecast
where the price is heading next

↓ Statistics
all-time high & low, recent range

↑ Price alert
name your number, we'll email you

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 90 days · 90 data points

Historical

Generating forecast…

Price Distribution

Price distribution over 90 days • 3 price levels

Days at Price

Current Price

Price Analysis

Most common price: £38 (65 days, 72.2%)

Price range: £37 - £40

Price levels: 3 different prices over 90 days

Description

Achieve professional water quality in your aquarium with ARKA Mixed Bed Resin. This 4L premium resin is designed to deionise RO water, reducing conductivity to as low as ~0.1 uS/cm. By combining H+ and OH- resins in a 40/60 ratio, it acts as the ideal post-filter for your RO systems to ensure ultra-pure water for your aquatic life. This resin effectively removes total dissolved solids (TDS), silicates, nitrates, and organic matter. It is an essential tool for maintaining crystal-clear, residue-free water in sensitive environments. Whether you manage a reef tank, a shrimp setup, or a planted aquascape, this resin helps provide the stability needed for high-end aquatic ecosystems. Perfect for hobbyists keeping nitrate-sensitive species like Discus, SPS corals, or shrimp, this mixed bed resin removes invisible residues that standard filtration might miss. It ensures your water meets lab-grade purity standards, supporting the health and longevity of your most delicate inhabitants.

Key Features

Achieves lab-grade purity with conductivity levels as low as ~0.1 uS/cm for ultra-pure water.

Removes total dissolved solids (TDS), silicates, nitrates, and organics to ensure crystal-clear water.

Combines H+ and OH- resins in a 40/60 ratio, making it the ideal post-filter for RO systems.

Provides stable water quality for sensitive species including Discus, SPS corals, and shrimp.

Eliminates invisible residues from RO water to support reef and freshwater aquascapes.

Designed for high-performance deionisation in shrimp setups and planted tanks.

Product Specifications

Brand: ARKA
Model: RPXL
Colour: Multicoloured
Size: 4000 Ml
ASIN: B09ZYR5H7Z
Category: Pet Supplies > Fish & Aquatic Pets > Aquarium Accessories > Pumps & Filters > Filter Accessories
Domain: Amazon UK
Listed Since: 13 May 2022

Barcode

No barcode data available

ARKA Mixed Bed Resin 4L - Full Deioniser for RO Water

About as cheap as it gets. The only time it was cheaper was 2 months ago.

Price History & Forecast

Price Distribution

Price Analysis

Description

Key Features

Product Specifications

Barcode

Similar Products You Might Like

Mixed bed resin aquarium – ARKA Resin-Pure 25 l – DI resin for RO systems – removes 100% TDS, silicate, nitrate & phosphate – ultra-pure water for reef & freshwater tanks – ion exchange media

Mixed bed resin aquarium – ARKA Resin-Pure 20 l – DI resin for RO systems – removes 100% TDS, silicate, nitrate & phosphate – ultra-pure water for reef & freshwater tanks – ion exchange media

Nitrate & Phosphate Remover Aquarium – ARKA NOPO Control 5000 ml – biologically reduces NO3 & PO4 via bacteria activation – for clear water & stable parameters – reef-safe for freshwater & marine

RO system aquarium – ARKA myAQUA 380 – 380 L/day reverse osmosis unit – removes 99% of nitrates, salts & bacteria – water filter & softener for marine & freshwater tanks – complete household setup

Reef salt – ARKA Premium Reef Salt 20 kg – fast-dissolving marine salt for stable reef aquariums – boosts coral growth, colour & health – phosphate/nitrate-free – ideal for RO water & sensitive corals

RO system aquarium – ARKA myAQUA 190 – 190 L/day reverse osmosis unit – removes 99% of nitrates, salts & bacteria – water filter & softener for freshwater, marine tanks & home – complete set

biOrb 72047 LIFE 15 LED, transparent, 15 L tank volume - aquarium set with filter system, LED lighting, ceramic substrate made of robust acrylic glass

biOrb 72048 LIFE 15 LED black - decorative 15 litre aquarium complete set with filter system, LED lighting and ceramic substrate made of robust acrylic glass

ARKA - myAQUA 1900 Starter Set - Reverse Osmosis System for 1900 L/Day Including Inline TDS Meter & Multifilter/Resin Filter Capacity 4000 ml Including Resin-Pure Mixed Bed Resin

biOrb TUBE 15 Aquarium (White, 15 Litres), Perfect Beginner Fish Tank With Integrated LED Lights, Quick & Easy To Set Up, 360-Degree View Aquarium With 5-Step Filtration System, Acrylic Base

biOrb Decor Set, Summer Theme - Green Maple Tree, Flower Ball & Sea Shell Ornaments for 15 L+ Aquariums, Easy-Insert Decoration Compatible with Fresh & Saltwater Tanks, Perfect Fish Tank Decorations

BAITAI Internal Aquarium Filter with UV Sterilizer - 5-in-1 Pump

biOrb Decor Set, Red Forest Theme - Flower Sculpture, Sea Fan & Starfish Ornaments for 15 L+ Aquariums, Easy-Insert Decoration Compatible with Fresh & Saltwater Tanks, Perfect Fish Tank Decorations

Oase BioMaster 2 850 Aquarium Filter - 32W for up to 850L

Oase BioMaster² 350 Aquarium Filter, Fish Tank Filter suitable for Freshwater and Marine Aquariums up to 350 L, 18 W

Oase BioMaster² 600 Aquarium Filter, Fish Tank Filter suitable for Freshwater and Marine Aquariums up to 600 L, 22 W

biOrb TUBE 30 Aquarium (Black, 30 Litres), Perfect Beginner Fish Tank With Integrated LED Lights, Quick & Easy To Set Up, 360-Degree View Aquarium With 5-Step Filtration System, Acrylic Base

biOrb TUBE 35 Aquarium (White, 35 Litres), Perfect Beginner Fish Tank With Integrated LED Lights, Easy Set Up All-In-One Kit, 360-Degree View Acrylic Aquarium, 5-Step Filtration System, Acrylic Base

Oase BioMaster² 250 Aquarium Filter, Fish Tank Filter suitable for Freshwater and Marine Aquariums up to 250 L, 15 W

Geekpure 4-Stage RO Aquarium Water Filter - 100GPD with DI Filter

RO System Aquarium – ARKA myAQUA 1900 – 1900 L/Day high-Capacity Osmosis Unit – Filters 99% of Nitrate, Bacteria & Salts – Smart Water Filter for Household & Aquarium – LED Maintenance Alert – ARKA

biOrb TUBE 35 Acrylic Aquarium With LED Lighting, 35 L Fish Tank (Black)

biOrb CLASSIC 60 Aquarium (Black, 60 Litres), Perfect Beginner Fish Tank With Integrated LED Lights, Quick & Easy To Set Up, 360-Degree View Aquarium With 5-Step Filtration System, Acrylic Fish Tank

Eheim Power pack 2252

ARKA Mixed Bed Resin 4L - Full Deioniser for RO Water

About as cheap as it gets. The only time it was cheaper was 2 months ago.

Price History & Forecast

Price Distribution

Price Analysis

Description

Key Features

Product Specifications

Barcode

Similar Products You Might Like

Mixed bed resin aquarium – ARKA Resin-Pure 25 l – DI resin for RO systems – removes 100% TDS, silicate, nitrate & phosphate – ultra-pure water for reef & freshwater tanks – ion exchange media

Mixed bed resin aquarium – ARKA Resin-Pure 20 l – DI resin for RO systems – removes 100% TDS, silicate, nitrate & phosphate – ultra-pure water for reef & freshwater tanks – ion exchange media

Nitrate & Phosphate Remover Aquarium – ARKA NOPO Control 5000 ml – biologically reduces NO3 & PO4 via bacteria activation – for clear water & stable parameters – reef-safe for freshwater & marine

RO system aquarium – ARKA myAQUA 380 – 380 L/day reverse osmosis unit – removes 99% of nitrates, salts & bacteria – water filter & softener for marine & freshwater tanks – complete household setup

Reef salt – ARKA Premium Reef Salt 20 kg – fast-dissolving marine salt for stable reef aquariums – boosts coral growth, colour & health – phosphate/nitrate-free – ideal for RO water & sensitive corals

RO system aquarium – ARKA myAQUA 190 – 190 L/day reverse osmosis unit – removes 99% of nitrates, salts & bacteria – water filter & softener for freshwater, marine tanks & home – complete set

biOrb 72047 LIFE 15 LED, transparent, 15 L tank volume - aquarium set with filter system, LED lighting, ceramic substrate made of robust acrylic glass

biOrb 72048 LIFE 15 LED black - decorative 15 litre aquarium complete set with filter system, LED lighting and ceramic substrate made of robust acrylic glass

ARKA - myAQUA 1900 Starter Set - Reverse Osmosis System for 1900 L/Day Including Inline TDS Meter & Multifilter/Resin Filter Capacity 4000 ml Including Resin-Pure Mixed Bed Resin

biOrb TUBE 15 Aquarium (White, 15 Litres), Perfect Beginner Fish Tank With Integrated LED Lights, Quick & Easy To Set Up, 360-Degree View Aquarium With 5-Step Filtration System, Acrylic Base

biOrb Decor Set, Summer Theme - Green Maple Tree, Flower Ball & Sea Shell Ornaments for 15 L+ Aquariums, Easy-Insert Decoration Compatible with Fresh & Saltwater Tanks, Perfect Fish Tank Decorations

BAITAI Internal Aquarium Filter with UV Sterilizer - 5-in-1 Pump

biOrb Decor Set, Red Forest Theme - Flower Sculpture, Sea Fan & Starfish Ornaments for 15 L+ Aquariums, Easy-Insert Decoration Compatible with Fresh & Saltwater Tanks, Perfect Fish Tank Decorations

Oase BioMaster 2 850 Aquarium Filter - 32W for up to 850L

Oase BioMaster² 350 Aquarium Filter, Fish Tank Filter suitable for Freshwater and Marine Aquariums up to 350 L, 18 W

Oase BioMaster² 600 Aquarium Filter, Fish Tank Filter suitable for Freshwater and Marine Aquariums up to 600 L, 22 W

biOrb TUBE 30 Aquarium (Black, 30 Litres), Perfect Beginner Fish Tank With Integrated LED Lights, Quick & Easy To Set Up, 360-Degree View Aquarium With 5-Step Filtration System, Acrylic Base

biOrb TUBE 35 Aquarium (White, 35 Litres), Perfect Beginner Fish Tank With Integrated LED Lights, Easy Set Up All-In-One Kit, 360-Degree View Acrylic Aquarium, 5-Step Filtration System, Acrylic Base

Oase BioMaster² 250 Aquarium Filter, Fish Tank Filter suitable for Freshwater and Marine Aquariums up to 250 L, 15 W

Geekpure 4-Stage RO Aquarium Water Filter - 100GPD with DI Filter

RO System Aquarium – ARKA myAQUA 1900 – 1900 L/Day high-Capacity Osmosis Unit – Filters 99% of Nitrate, Bacteria & Salts – Smart Water Filter for Household & Aquarium – LED Maintenance Alert – ARKA

biOrb TUBE 35 Acrylic Aquarium With LED Lighting, 35 L Fish Tank (Black)

biOrb CLASSIC 60 Aquarium (Black, 60 Litres), Perfect Beginner Fish Tank With Integrated LED Lights, Quick & Easy To Set Up, 360-Degree View Aquarium With 5-Step Filtration System, Acrylic Fish Tank

Eheim Power pack 2252

Mixed bed resin aquarium – ARKA Resin-Pure 25 l – DI resin for RO systems – removes 100% TDS, silicate, nitrate & phosphate – ultra-pure water for reef & freshwater tanks – ion exchange media

Mixed bed resin aquarium – ARKA Resin-Pure 20 l – DI resin for RO systems – removes 100% TDS, silicate, nitrate & phosphate – ultra-pure water for reef & freshwater tanks – ion exchange media

RO system aquarium – ARKA myAQUA 380 – 380 L/day reverse osmosis unit – removes 99% of nitrates, salts & bacteria – water filter & softener for marine & freshwater tanks – complete household setup

Reef salt – ARKA Premium Reef Salt 20 kg – fast-dissolving marine salt for stable reef aquariums – boosts coral growth, colour & health – phosphate/nitrate-free – ideal for RO water & sensitive corals

RO system aquarium – ARKA myAQUA 190 – 190 L/day reverse osmosis unit – removes 99% of nitrates, salts & bacteria – water filter & softener for freshwater, marine tanks & home – complete set

biOrb Decor Set, Summer Theme - Green Maple Tree, Flower Ball & Sea Shell Ornaments for 15 L+ Aquariums, Easy-Insert Decoration Compatible with Fresh & Saltwater Tanks, Perfect Fish Tank Decorations

biOrb Decor Set, Red Forest Theme - Flower Sculpture, Sea Fan & Starfish Ornaments for 15 L+ Aquariums, Easy-Insert Decoration Compatible with Fresh & Saltwater Tanks, Perfect Fish Tank Decorations

RO System Aquarium – ARKA myAQUA 1900 – 1900 L/Day high-Capacity Osmosis Unit – Filters 99% of Nitrate, Bacteria & Salts – Smart Water Filter for Household & Aquarium – LED Maintenance Alert – ARKA