Reverse Osmosis

Bulk Reef Supply takes great pride in our well-built, leak-free, affordable reverse osmosis and deionization systems. We use American made filters from GE, DOW, and other industry leaders along with American-made Mur-lok dual EPMD O-Ring fittings to construct all our RO systems. We build and sell over a variety of different RODI system set ups in our Minnesota warehouse so you are sure to find the right system for your space and needs. Our Reverse Osmosis systems are specifically designed for use with saltwater aquariums, but we do have multi-use Drinking and Reef water systems too.

The purpose of the reverse osmosis water filter systems is to produce water safe for the aquarium by removing chlorine, nitrates, phosphates and other contaminants from your home’s tap water. It is important to install reef aquarium filters that are capable of producing zero total dissolved solids (TDS) water to ensure the health of its inhabitants and prevent algae growth. Our deionization and reverse osmosis systems provide the best reef aquarium filtration available.

Bulk Reef Supply RODI systems we have specifically built to produce perfect water for reef aquariums and and other types of fish tanks. 

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235 Items

  1. 4 Stage Value Plus 75GPD RO/DI System - Bulk Reef Supply
    Bulk Reef Supply
    4 Stage Value Plus 75GPD RO/DI System - Bulk Reef Supply
    $269.99

    Earn 8,070 Reward Points Earn 1,345 Reward Points

    $269.99
  2. BRS 4 Stage Value Replacement Filter Kit
    Bulk Reef Supply
    BRS 4 Stage Value Replacement Filter Kit
    $36.99

    Earn 1,080 Reward Points Earn 180 Reward Points

    $36.99
    Add to Cart
  3. BRS Universal Carbon Block Filter - 1 Micron
    Bulk Reef Supply
    BRS Universal Carbon Block Filter - 1 Micron
    $18.99

    Earn 540 Reward Points Earn 90 Reward Points

    $18.99
  4. Dual Inline TDS Meter DM-1 - HM Digital
    HM Digital
    Dual Inline TDS Meter DM-1 - HM Digital
    $29.99

    Earn 580 Reward Points Earn 29 Reward Points

    $29.99
  5. Glycerin Filled Pressure Gauge 1-100 PSI - Bulk Reef Supply
    Bulk Reef Supply
    Glycerin Filled Pressure Gauge 1-100 PSI - Bulk Reef Supply
    $20.49

    Earn 600 Reward Points Earn 100 Reward Points

    $20.49
  6. Reverse Osmosis Adjustable Float Valve - Bulk Reef Supply
    Bulk Reef Supply
    Reverse Osmosis Adjustable Float Valve - Bulk Reef Supply
    $17.99

    Earn 510 Reward Points Earn 85 Reward Points

    $17.99
  7. Watchdog Leak Detection Alarm
    Glentronics
    Watchdog Leak Detection Alarm
    $15.99

    Earn 450 Reward Points Earn 75 Reward Points

    $15.99
  8. Chrome Faucet Diverter Valve
    Bulk Reef Supply
    Chrome Faucet Diverter Valve
    $12.99

    Earn 360 Reward Points Earn 60 Reward Points

    $12.99
  9. 7 Stage PRO Plus 200 GPD Water Saver RO/DI System - Bulk Reef Supply
    Bulk Reef Supply
    7 Stage PRO Plus 200 GPD Water Saver RO/DI System - Bulk Reef Supply
    $469.99

    Earn 14,070 Reward Points Earn 2,345 Reward Points

    $469.99
    Add to Cart
  10. RO Tube Cutter (Highly Recommended) - Bulk Reef Supply
    Bulk Reef Supply
    RO Tube Cutter (Highly Recommended) - Bulk Reef Supply
    $5.99

    Earn 150 Reward Points Earn 25 Reward Points

    $5.99
  11. Push Connect Fitting Release Tool - G.A. Murdock
    G.A. Murdock
    Push Connect Fitting Release Tool - G.A. Murdock
    $5.99

    Earn 100 Reward Points Earn 5 Reward Points

    $5.99
  12. Case (25) of BRS Universal Carbon Block Filters - 1 Micron
    Bulk Reef Supply
    Case (25) of BRS Universal Carbon Block Filters - 1 Micron
    $429.99

    Earn 12,870 Reward Points Earn 2,145 Reward Points

    $429.99
  13. 6 Stage Deluxe Plus 200 GPD Water Saver RO/DI System - Bulk Reef Supply
    Bulk Reef Supply
    6 Stage Deluxe Plus 200 GPD Water Saver RO/DI System - Bulk Reef Supply
    $419.99

    Earn 12,570 Reward Points Earn 2,095 Reward Points

    $419.99
    Add to Cart
  14. 6 Stage Deluxe Plus 150 GPD Water Saver RO/DI System - Bulk Reef Supply
    Bulk Reef Supply
    6 Stage Deluxe Plus 150 GPD Water Saver RO/DI System - Bulk Reef Supply
    $384.99

    Earn 11,520 Reward Points Earn 1,920 Reward Points

    $384.99
    Add to Cart
  15. 7 Stage PRO Plus 75 GPD RO/DI System - Bulk Reef Supply
    Bulk Reef Supply
    7 Stage PRO Plus 75 GPD RO/DI System - Bulk Reef Supply
    $374.99

    Earn 11,220 Reward Points Earn 1,870 Reward Points

    $374.99
    Add to Cart
  16. BRS Reverse Osmosis Chloramines Monster
    Bulk Reef Supply
    BRS Reverse Osmosis Chloramines Monster
    $369.99

    Earn 11,070 Reward Points Earn 1,845 Reward Points

    $369.99
  17. 5 Stage Premium Plus 200 GPD Water Saver RO/DI System - Bulk Reef Supply
    Bulk Reef Supply
    5 Stage Premium Plus 200 GPD Water Saver RO/DI System - Bulk Reef Supply
    $369.99

    Earn 11,070 Reward Points Earn 1,845 Reward Points

    $369.99
    Add to Cart
  18. 6 Stage Deluxe Plus 100 GPD RO/DI System - Bulk Reef Supply
    Bulk Reef Supply
    6 Stage Deluxe Plus 100 GPD RO/DI System - Bulk Reef Supply
    $349.99

    Earn 10,470 Reward Points Earn 1,745 Reward Points

    $349.99
    Add to Cart
  19. 5 Stage Premium Plus 150 GPD Water Saver RO/DI System - Bulk Reef Supply
    Bulk Reef Supply
    5 Stage Premium Plus 150 GPD Water Saver RO/DI System - Bulk Reef Supply
    $339.99

    Earn 10,170 Reward Points Earn 1,695 Reward Points

    $339.99
    Add to Cart
  20. 4 Stage Value Plus 200GPD Water Saver RO/DI System - Bulk Reef Supply
    Bulk Reef Supply
    4 Stage Value Plus 200GPD Water Saver RO/DI System - Bulk Reef Supply
    $329.99

    Earn 9,870 Reward Points Earn 1,645 Reward Points

    $329.99