RK2 SYSTEMS
RK2 Systems, Inc. is a global leader in the design and manufacture of advanced aquatic life support and filtration systems. Based in San Marcos, California, RK2 produces high-performance equipment trusted by public aquariums, aquaculture facilities, research institutions, zoos, and serious aquatic professionals around the world.
Their extensive product range includes foam fractionators (protein skimmers), fluidized sand filters, biological filtration systems, ozone generators, UV sterilizers, pumps, and complete system controls – all engineered to deliver reliable, efficient, and consistent water quality management. RK2’s designs emphasize durability, precision, and ease of maintenance, making them ideal for both commercial and large-scale aquatic applications.
Manufactured using ozone-resistant materials, robust construction, and proven hydrodynamic designs, RK2 equipment ensures exceptional removal of organics, proteins, and suspended solids from both freshwater and saltwater systems. Custom fabrication is also available to suit specific system requirements.
Pure Aquatics is proud to be the exclusive Australian and New Zealand distributor for RK2 Systems, offering full product support, advice, and integration expertise for clients across the aquaculture and aquatic display industries.
Showing 1–16 of 26 results
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RK2 / XFLO Power Supply | H71-PT-2 |120 W Pod-Type 230 VAC Power Supply for XFLO UV Steriliser Systems
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RK2 Systems RK75PE Saltwater Protein Fractionator
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RK2 Systems RK75PE‑HF Saltwater Protein Fractionator (High-Flow)
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RK2 U240000-H120W1044A 120 W UV-C Germicidal Replacement Bulb – Fits RK2 UV Steriliser Systems | UV Steriliser Lamp
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RK2 U240000-H150W1450A 150 W UV-C Germicidal Replacement Bulb – Fits RK2 UV Steriliser Systems | UV Steriliser Lamp
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RK2 U240000-H50W387A 50W UV-C Germicidal Replacement Bulb – Fits RK2 UV Steriliser Systems | UV Steriliser Lamp
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RK2 U240000-H80W739A 80 W UV-C Germicidal Replacement Bulb – Fits RK2 UV Steriliser Systems | UV Steriliser Lamp
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RK2 U240000-L18W281A 18W UV-C Germicidal Replacement Bulb – Fits RK2 UV Steriliser Systems | UV Steriliser Lamp
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RK2 U240000-L25W387A 25W UV-C Germicidal Replacement Bulb – Fits RK2 UV Steriliser Systems | UV Steriliser Lamp
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RK2 U240000-L40W767A 40 W UV-C Germicidal Replacement Bulb – Fits RK2 UV Steriliser Systems | UV Steriliser Lamp
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RK2/XFLO Quartz Sleeve U200000-25MM-1334D | 25 mm Diameter Quartz Sleeve • Approx. 1334 mm Length (~52.5″) • OEM Replacement for XFLO/RK2 UV Systems
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RK2/XFLO Quartz Sleeve U200000-25MM-1765D | 25 mm Diameter • Approx. 1765 mm Length (~69.5″) • OEM Replacement for XFLO/RK2 UV Systems
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RK2/XFLO Quartz Sleeve U200000-25MM1016D | Replacement Sleeve for XFLO UV Systems
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RK2/XFLO Quartz Sleeve U200000-25MM521D | 25 mm Diameter • Approx. 521 mm Length (~20.5″) • OEM Replacement Sleeve for XFLO/RK2 UV Systems
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RK2/XFLO Quartz Sleeve U200000-25MM648D Quartz Sleeve | 25 mm Diameter • Approx. 648 mm Length (~25.5″) • OEM Replacement for RK2/XFLO UV Systems
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RK2/XFLO UV Power Supply Unit | H11-PT-2 | 50 W Pod-Type 230 VAC Power Supply for XFLO UV Steriliser
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