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Reverse Osmosis

Filters
  • 10" (0.5 Micron) Carbon Block Filter Cartridge (CF-0.5-10) -  SpectraPure

    10" (0.5 Micron) Carbon Block Filter Cartridge (CF-0.5-10) - SpectraPure

    Spectrapure

    $14.99
    Carbon Block Filter Cartridge - 0.5 Micron (nominal), 2.8" x 10" LengthFEATURES: Remove chlorine, organics, taste and odor Dual-purpose - combination sediment and carbon filter Excellent service life No channeling or bypassing of fluids Meet NSF...
  • On Sale 15%
    10" RODI Standard (0.5 Micron) Sediment Filter - Generic
    On Sale 15%

    10" RODI Standard (0.5 Micron) Sediment Filter - Generic

    All Misc Brands

    $9.99
    $8.49
    Sediment Filter Cartridge -  2.5 in dia x 10 in L. Economical light weight filters for standard 10" housings reduces fine sediment, sand, silt, rust and scale. Polypropylene Sediment, 4 layer structure nominal micron rating. Certified by NSF 42 and...
  • Standard 90-GPD RO Membrane (MEM-0090) - Spectrapure

    Standard 90-GPD RO Membrane (MEM-0090) - Spectrapure

    Spectrapure

    $56.99
    SpectraPure Standard 90-GPD Batch-Tested TFC RO Membrane, 2in dia x 12in LFEATURES: - Minimum Rejection = 96%. Stabilized Salt Rejection: 98%. - The membranes produce the rated GPD ± 20% at 60 psi. (Permeate flow and salt rejection based on the...
  • On Sale 15%
    10" RODI Standard (0.5 Micron) Coconut Carbon Block Filter
    On Sale 15%

    10" RODI Standard (0.5 Micron) Coconut Carbon Block Filter

    All Misc Brands

    $14.99
    $12.74
    Coconut carbon blocks are manufactured with a high purity Coconut Shell Activated Carbon.  With a high chlorine reduction, great dirt-holding capacity, and greatly reduced carbon fines.  Great performance in reducing sediments, color, SOCs...
  • On Sale 15%
    Basic 3 Stage RODI Replacement 0.5 Micron Filter Kit
    On Sale 15%

    Basic 3 Stage RODI Replacement 0.5 Micron Filter Kit

    SaltwaterAquarium

    $34.99
    $29.74
    Kit Includes: Stage 1 - Generic PureT 10" 0.5 Micron Sediment Filter Stage 2 - Generic PureT 10" 0.5 Micron Coconut Carbon Block Last Stage - 1L Bag Aquatic Life RODI Bulk Color Changing Resin Specifics: 1. Generic PureT 10" 0.5 Micron Sediment...
  • On Sale 15%
    Twist-In RO Sediment Filter - Aquatic Life
    On Sale 15%

    Twist-In RO Sediment Filter - Aquatic Life

    Aquatic Life

    $13.99
    $11.89
    STAGE 1 – TWIST-IN SEDIMENT FILTER CARTRIDGE. Aquatic Life Twist-In Sediment Filter Cartridge: Recommend replacing every 6 months. 5-Micron Sediment Filter that traps sediment and other particulate matter like dirt, silt and rust which will affect...
  • On Sale 15%
    RODI Float Valve Kit - Eshopps
    On Sale 15%

    RODI Float Valve Kit - Eshopps

    Eshopps

    $39.98
    $33.98
    Eshopps’ Float Valve offers a simple solution to help maintain proper water level.Use the Eshopps’ Float Valve as part of an automatic top-off system you create to replenish aquarium water lost through evaporation. Adjustable acrylic mounting...
  • On Sale 15%
    Bulk Deionization Color Changing Resin (1 Liter Bag/1.63 lbs.) - Aquatic Life
    On Sale 15%

    Bulk Deionization Color Changing Resin (1 Liter Bag/1.63 lbs.) - Aquatic Life

    Aquatic Life

    $24.99
    $21.24
    Our Nuclear Grade Color Changing Mixed Bed Resin physically changes colors as it becomes exhausted, allowing you to monitor the consumption of the DI resin and know when to change it out. If you use a TDS meter on your RO/RODI system we still recommend...
  • DM-1: In-Line Dual TDS Monitor - HM Digital

    DM-1: In-Line Dual TDS Monitor - HM Digital

    HM Digital

    $29.95
    The DM-1 is consumer friendly monitor measuring feed (input) water vs. product (output) water of a water filtration system at any time. This device is ideal for Reverse Osmosis (RO), Deionized water (DI) filtration systems that work well in variety of...
  • On Sale 15%
    10" Carbon Block Filter Cartridge (1.0 Micron) - Generic
    On Sale 15%

    10" Carbon Block Filter Cartridge (1.0 Micron) - Generic

    All Misc Brands

    $14.99
    $12.74
    Interchangeable with Spectrapure, Captive Purity's, Kent Marine's, AWI's, BRS's, and most residential/aquarium RO or RO/DI systems and SpectraPure® Eliminator Systems. - Remove chlorine, organics, taste and odor- Dual-purpose - combination sediment...
  • On Sale 15%
    10" RODI Standard (1.0 Micron) Sediment Filter - Generic
    On Sale 15%

    10" RODI Standard (1.0 Micron) Sediment Filter - Generic

    All Misc Brands

    $9.99
    $8.49
    Sediment Filter Cartridge -  2.5 in dia x 10 in L.Sediment Filters are high efficiency depth gradient density filter cartridges with almost absolute micron ratings.They are strongly recommended for areas with extremely high sediment levels like NY,...
  • 10"  (1.0 Micron) Carbon Block Filter Cartridge (CF-1.0-10) - SpectraPure

    10" (1.0 Micron) Carbon Block Filter Cartridge (CF-1.0-10) - SpectraPure

    Spectrapure

    $14.99
    Carbon Block Filter Cartridge - 1.0 Micron (nominal), 2.8" x 10" LengthFEATURES: Remove chlorine, organics, taste and odor Dual-purpose - combination sediment and carbon filter Excellent service life No channeling or bypassing of fluids Meet NSF...
  • On Sale 15%
    Bulk Deionization Color Changing Resin (5 Liter Bag/8.14 lbs.) - Aquatic Life
    On Sale 15%

    Bulk Deionization Color Changing Resin (5 Liter Bag/8.14 lbs.) - Aquatic Life

    Aquatic Life

    $89.99
    $76.49
    Our Nuclear Grade Color Changing Mixed Bed Resin physically changes colors as it becomes exhausted, allowing you to monitor the consumption of the DI resin and know when to change it out. If you use a TDS meter on your RO/RODI system we still recommend...
  • On Sale 15%
    Twist-In RO Mixed Bed Color Changing Deionization Filter  - Aquatic Life
    On Sale 15%

    Twist-In RO Mixed Bed Color Changing Deionization Filter - Aquatic Life

    Aquatic Life

    $29.99
    $25.49
    STAGE 4 – TWIST-IN MIXED BED COLOR CHANGING RESIN DEIONIZATION CARTRIDGE. Aquatic Life Twist-In Color Changing Dual Deionization Filter Cartridge: Replace when the resin color changes completely. After the water is filtered by a membrane (not...
  • On Sale 15%
    Twist-In RO Carbon Filter - Aquatic Life
    On Sale 15%

    Twist-In RO Carbon Filter - Aquatic Life

    Aquatic Life

    $14.99
    $12.74
    STAGE 2 – TWIST-IN CARBON BLOCK FILTER CARTRIDGE. Aquatic Life Twist-In Carbon Block Filter Cartridge: Recommend replacing every 6 months. Reduces chlorine and conditions water prior to an RO membrane. Working Pressure: Minimum 35 PSI, Maximum 80...
  • On Sale 15%
    Basic 2 Stage RODI Replacement 0.5 Micron Filter Kit
    On Sale 15%

    Basic 2 Stage RODI Replacement 0.5 Micron Filter Kit

    SaltwaterAquarium

    $24.99
    $21.24
    Kit Includes: Stage 1 - Generic PureT 10" 0.5 Micron Sediment Filter Stage 2 - Generic PureT 10" 0.5 Micron Coconut Carbon Block Specifics: 1. Generic PureT 10" 0.5 Micron Sediment Filter Economical light weight filters for standard 10" housings...
  • On Sale 15%
    Bulk Deionization Resin Mixed Bed (Color Changing) RODI (1.1 lbs)
    On Sale 15%

    Bulk Deionization Resin Mixed Bed (Color Changing) RODI (1.1 lbs)

    Kolar Labs

    $18.99
    $16.14
    Lewatit NM-65 is a premium grade, gel type, high capacity, color indication mixed ion exchange resin prepared with a 1:1 chemically equivalent ratio of cation to anion resin. Lewatit NM-65 is a mixture of gel type cation exchange resin and a standard...
  • On Sale 15%
    RODI Float Valve Kit - Bubble Magus
    On Sale 15%

    RODI Float Valve Kit - Bubble Magus

    Bubble Magus - Seaside

    $24.99
    $21.24
    Float valves are used to shut off RODI water when a certian level is reached.
  • 10" Mega Max-Cap DI Resin Cartridge (DI-MMC-10) - Spectrapure

    10" Mega Max-Cap DI Resin Cartridge (DI-MMC-10) - Spectrapure

    Spectrapure

    $52.99
    The Mega MaxCap® DI Cartridge is SpectraPure’s newest addition to the MaxCap® DI series of specialty deionization cartridges. Like the legacy MaxCap® cartridges, the new Mega MaxCap® functions as a roughing DI stage by removing the...
  • Pocket Size TDS & Temperature Meter (TDS-4TMA) - HM Digital

    Pocket Size TDS & Temperature Meter (TDS-4TMA) - HM Digital

    HM Digital

    $22.45
    The TDS-4TMA handheld meter is ideal for testing TDS and salt levels of freshwater aquariums and ponds. It can also be used for testing water filtration and purification systems, such as RO and DI, to know when to changes filters and membranes...
  • On Sale 15%
    Twist-In RO Membrane Filter - Aquatic Life
    On Sale 15%

    Twist-In RO Membrane Filter - Aquatic Life

    Aquatic Life

    $59.99
    $50.99
    STAGE 3 – TWIST-IN RO MEMBRANE FILTER CARTRIDGE. Aquatic Life Twist-In TFC RO Membrane Filter Cartridge, 100 GPD: Recommended replacing every 1-2 Years. The RO Membrane reduces impurities known as Total Dissolved Solids (TDS) from the water down to...
  • On Sale 15%
    Universal Color Changing Mixed Bed DI 10-Inch Cartridge - Aquatic Life
    On Sale 15%

    Universal Color Changing Mixed Bed DI 10-Inch Cartridge - Aquatic Life

    Aquatic Life

    $24.99
    $21.24
    Color Changing Mixed Bed DI 10-Inch Cartridge is the most effective and easy to use DI cartridge available - filled with Aquatic Life MBD-30 Nuclear Grade resin. Features: Cation and Anion resins (H+ and OH-) remove the remaining total dissolved solids...
  • C-342 TDS and EC Calibration Solutions - HM Digital

    C-342 TDS and EC Calibration Solutions - HM Digital

    HM Digital

    $7.95
    C-342: TDS and EC Calibration Solutions For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges. FEATURES: NaCl calibration solution, available in 342 ppm Comes in...
  • On Sale 15%
    RO TFC Membrane 100 GPD - Aquatic Life
    On Sale 15%

    RO TFC Membrane 100 GPD - Aquatic Life

    Aquatic Life

    $54.99
    $46.74
    Thin Film Composite (TFC) Membranes for standard RO systems and the RO Buddie. Features: Polyamide membrane material with a negative charge that removes harmful substances - 11-3/4" standard size fits Aquatic Life and other brands of RO units -...
  • On Sale 15%
    Replacement Media Set for Poly Bio-Marine Kold Ster-il
    On Sale 15%

    Replacement Media Set for Poly Bio-Marine Kold Ster-il

    All Misc Brands

    $83.99
    $71.39
    0.50 micron bonded carbon block also containing a molecular sieve. NSF Approved Last Stage. Molecular Absorption Disc Media designed to absorb/adsorb heavy metals, volatile organic chemicals, dissolved organic matter, phosphates while flowing 4 gallons...