Captive Purity

Captive Purity manufactures water filtration and water testing supplies for marine and reef aquaria. The brand is best known for their high-quality line of reverse osmosis filter systems and accessories. Captive Purity also produces refractometers for testing salinity, portable pen-sized meters for testing pH as well as replacement filter media for their RO and RO/DI filter systems.

Captive Purity

16 Results
Garden Hose Adaptor (Adapter)
15%
off

Garden Hose Adaptor (Adapter)

Captive Purity Replacement O-Ring for RO Filter System
15%
off

Captive Purity Replacement O-Ring for RO Filter System

Flow Restrictor 75-100 GPD
15%
off

Flow Restrictor 75-100 GPD

Reverse Osmosis System Flush Valve Kit
15%
off

Reverse Osmosis System Flush Valve Kit

1/4 inch NO10 Replacement Clear Canister
15%
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1/4 inch NO10 Replacement Clear Canister

RO Housing Wrench
15%
off

RO Housing Wrench

Replacement TFC Membrane Housing
15%
off

Replacement TFC Membrane Housing

Self-piercing Saddle Valve
15%
off

Self-piercing Saddle Valve

Flow Restrictor 50-60 GPD
15%
off

Flow Restrictor 50-60 GPD

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