ARKA 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

Premium mixed bed resin for aquariums – deionises RO water to 0 µS/cm – removes total dissolved solids (TDS), silicate, nitrate & organics – ensures crystal-clear, residue-free water in reef & freshwater tanks.

Ideal post-filter for RO systems – combines H⁺ and OH⁻ resin in 40/60 ratio – perfect for ultra-pure water in sensitive coral tanks, shrimp setups & planted aquascapes – supports top-tier water stability.

Achieves lab-grade purity – conductivity as low as ~0.1 µS/cm – suitable for discus, SPS, shrimp & nitrate-sensitive species – removes invisible residues from RO systems – optimised for professional aquatics.

Fits all standard resin cartridges – compatible with ARKA myAQUA Multi-Filter & other refillable DI canisters – easy to replace when TDS rises – visible via handheld TDS meters – reliable & economical.

Trusted ARKA – manufactured to strict quality standards – delivers peak performance in saltwater & freshwater aquariums – proven choice for aquarists seeking maximum filtration control.