Membrane

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    …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 certified Compatible with all 10" RO Membrane Housings.…

    $34.99

    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

    …GPD membrane features a 98% rejection rate at 65 PSI which makes it the 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

    $59.99

    …Filmtec 100 GPD membrane features a 98% rejection rate at 50 PSI which makes it the most commonly used 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…

    $46.99

    …We recommend changing sediment filters when they become visually dirty or there is a noticeable drop in pressure. Change carbon blocks every 6-12 months depending on use. This kit does not include a membrane filter as they need replacement every three years or so, depending on water and set up.

    $34.99

    …We recommend changing sediment filters when they become visually dirty or there is a noticeable drop in pressure. Change carbon blocks every 6-12 months depending on use. This kit does not include a membrane filter as they need replacement every three years or so, depending on water and set up.

    $37.99

    Choose the Aquatec Auto Flush Flow Retrictor that meets your RODI systems flow rate. 300 mL/min 400 mL/min 500 mL/min for 75 GPD and 150 GPD Water Saver 600 mL/min 700 mL/min 800 mL/min for 150 GPD single membrane

    Starting at:
    $54.99

    …We recommend changing sediment filters when they become visually dirty or there is a noticeable drop in pressure. Change carbon blocks every 6-12 months depending on use. This kit does not include a membrane filter as they need replacement every three years or so, depending on water and set up.

    $45.99

    …We recommend changing sediment filters when they become visually dirty or there is a noticeable drop in pressure. Change carbon blocks every 6-12 months depending on use. This kit does not include a membrane filter as they need replacement every three years or so, depending on water and set up.

    $54.99

    …which treats all types of water for virtually any size tank and you know you are covered. Benefits of Value BRS RO/DI Systems 99% rejection Dow membrane - NSF certified BRS Universal carbon block - NSF certified GE Purtex sediment filter - NSF certified US Made Double O-ring Mur-Loc Fittings…

    $149.99

    …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 Mounting Clip

    $63.99

    …We recommend changing sediment filters when they become visually dirty or there is a noticeable drop in pressure. Change carbon blocks every 6-12 months depending on use. This kit does not include a membrane filter as they need replacement every three years or so, depending on water and set up.

    $25.99

    …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

    …are used for attaching the 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…

    Starting at:
    $0.49

    BRS recommends the 550 mL Flow Membrane Flush Valve for 75 GPD RO Membranes. The Membrane Flush/Flow restrictor valve is an all in one flow restrictor equipped with a flush valve for easy worry free use. Keeping the flush and flow restrictor in a single package keeps fitting count down which means…

    Starting at:
    $9.99

    …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 activated or tank becomes full.

    $9.99

    …We recommend changing sediment filters when they become visually dirty or there is a noticeable drop in pressure. Change carbon blocks every 6-12 months depending on use. This kit does not include a membrane filter as they need replacement every three years or so, depending on water and set up.

    $47.99

    Standard RO membrane Housing Fits standard 10 " membranes, like the popular Dow Filmtec 75 GPD membranes. Made with high-quality components and o-rings they are perfect for replacing your old membrane housing or if you are building your own custom RO system.

    $8.99

    …We recommend changing sediment filters when they become visually dirty or there is a noticeable drop in pressure. Change carbon blocks every 6-12 months depending on use. This kit does not include a membrane filter as they need replacement every three years or so, depending on water and set up.

    $27.99

    …We recommend changing sediment filters when they become visually dirty or there is a noticeable drop in pressure. Change carbon blocks every 6-12 months depending on use. This kit does not include a membrane filter as they need replacement every three years or so, depending on water and set up.

    $22.99

    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

    …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 of minutes and is very economical. After replacing the membrane the probe will function as if it were new. Includes…

    $699.95

    Ultra Min D from Fauna Marin is a nutrient solution and food additive designed for use with Ultra Ricordea & Zoanthus and was specially developed for azooxanthellate corals. Formula is taken up extremely fast Helps with coral expansion Strengthens protective mucus membrane of corals

    Starting at:
    $23.99

    …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 rejection performance Reduced DI resin consumption

    $149.99

    …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

    …Tunze Multicontroller 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…

    $284.32 $249.99

    …replacement kit for that probe. The replacement kit will include 5 membranes and cleaning solution. The DO probe is not a cheap item and by simply replacing the membrane within the probe it will act just like new again. We suggest changing out the probes membrane every 3 months for best results.

    $69.95

    …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 TDS Meter from HM Digital is one of the most essential…

    $44.99

    Protect your fish and corals from infections caused by mucous membrane and tissue injuries. hw hydrokoll binds with heavy metal concentrations, phenols, bacterial toxins and stinging toxins so they can be easily removed by your protein skimmer. Protein skimmer activity can increase with use of…

    Starting at:
    $13.99

    …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 Connect Tee. As with all HM-Digital products, the…

    $24.99

    …We recommend changing sediment filters when they become visually dirty or there is a noticeable drop in pressure. Change carbon blocks every 6-12 months depending on use. This kit does not include a membrane filter as they need replacement every three years or so, depending on water and set up.

    $21.99