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    …comes to water treatment and filtration.  Their 75 GPD membrane has a 99% rejection ratio, and most other membranes cannot make that same claim. Along with meeting NSF/ANSI standards the 75 GPD DOW membrane is hands down the best membrane for our hobby. Up to 99% rejection Dow membrane* - NSF…

    $34.99

    …100 GPD membrane used in the aquarium industry. If you require slightly faster water production and have good water pressure this is one of the better options. TIP -Brand new membranes will have a slight coating on them to help preserve the membrane until it is ready for use.  It is recommended to

    $46.99

    Flow restrictors are essential to a properly functioning RO system. Be sure to have the appropriate flow restrictor for the membrane you have. If you decide to change your membrane to a higher or lower GPD membrane, you must also replace the flow restrictor to correspond with the membrane.

    Starting at:
    $7.99

    …float valves or pressurized tanks to shut off an Reverse Osmosis system. It utilizes the back pressure created by the float valve or pressurized tank to shut off the water supply to the membrane. Without an automatic shut off valve waste water would continue to run out after the float valve is…

    $9.99

    …Pump (ERP1000) is a simple, yet revolutionary, device.  Powered only by the hydraulic energy of brine water usually lost to the drain (i.e. no electricity required), the Permeate Pump forces product water into the storage tank, reducing membrane back pressure and maximizing available feed pressure.

    $59.99

    to install an Aquatec 8800 Booster Pump - all in one kit. It also includes the pressure switch so it will work with reverse osmosis units that are set-up to shut off automatically. ¼” Push Connect fittings. Benefits of maintaining higher water pressures Improved waste water ratio Improved membrane

    $149.99

    …most commonly used membrane when speed is the primary importance. If you require faster water production and have good water pressure this is one of the better options.BRS generally recommends the use of the 75 GPD DOW membranes because it offers 98% rejection at easier to obtain water pressures.…

    $59.99

    …how the system is performing. BulkReefSupply.com suggests installing the dual TDS meter post membrane and post DI stage. These two readings will notify you when it's time to change the RO membrane and DI resin. This unit features a digital display and comes with two 1/4" John Guest Quick Connect…

    $45.99

    Membrane housing clips are used to attach the membrane to the RO bracket as well as to attach additional membranes or filters to the original membrane. 2.5" is the standard membrane size. Typically use 2" clips to attach smaller inline carbon filters.

    Starting at:
    $0.99

    Check valves only allow water to flow one direction. 1/8" Male NPT x 1/4" Push Connect elbow check valves are typically used on the product water output of RO membrane housings to protect from back pressure and allow auto shut off valves to operate correctly.

    $3.99

    …of the probe isn't all that cheap compared to the traditional probes we use in this hobby, but this probe can easily last you a life time because the actual sensing membrane is replaceable. About every 3 months you will need to replace the membrane within the probe, which can be done in a matter…

    $699.95

    …7095 is used to control water flow on all controllable Tunze powerheads. Controls water flow Wave simulation Waterproof membrane keypad Controls up to 8 Tunze pumps Food timer shuts off pump with the push of a button and automatically starts it again after 10 minutes to allow for feeding.…

    $284.32 $249.99

    …TDS meter as it will allow you to see your TDS readings in three places.  We will usually suggest installing the triple TDS meter post source water, post membrane and post DI stage. These three readings will notify you when it's time to change the RO membrane and DI resin. The TRM-1 Triple Inline…

    $44.99

    …and growth Contains no complexing or chelating agents hw-hydrokoll® protects fish and corals from possible infections in case of damage to the mucous membrane or tissue. It removes the irritating effects on such wounds and reduces stress. The new additions and changes in care require less adjustment…

    Starting at:
    $13.99

    …you know exactly how the system is performing. BRS suggests: installing the dual TDS meter post membrane and post DI stage. These two readings will notify you when it's time to change the RO membrane and DI resin. This unit features a digital display and comes with two 1/4" John Guest Quick Connect…

    $29.99

    …revolutionary, device. Powered only by the hydraulic energy of brine water usually lost to the drain (i.e. no electricity required), the Permeate Pump forces product water into the storage tank, reducing membrane back pressure and maximizing available feed pressure. 1/4" hose connections Includes…

    $63.99

    …canisters to a metal bracket. The long screw is required for the few holes where additional brackets or clips (ex. membrane housing clips) are installed. 20” screws are used for attaching 20” RO canisters to a RO bracket. Bolt is used for attaching both 10" and 20” Big Blue RO canisters to Big Blue…

    Starting at:
    $0.49

    …TDS Meter from HM Digital measures the TDS of a single water line. This is a great tool to monitor the TDS of your reverse osmosis system. Common monitoring locations include pre-system, post membrane or post DI stage. This unit features a digital display and comes with a 1/4" John Guest Quick…

    $24.99

    …and carbon blocks need to be changed. Glycerin filled pressure gauges absorb vibration and pressure spikes increasing service life. This glycerin filled pressure gauge comes assembled with 1/4" quick connect fittings for quick easy installation in-line before the RO Membrane. This item is designed…

    $19.99

    …drops apparent which can tell you that sediment and carbon blocks need to be changed. This air filled pressure gauge comes assembled with 1/4" quick connect fittings for quick easy installation in-line before the RO membrane. This product is designed for use with our saltwater aquarium line of RO…

    $12.99
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