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    …is custom made to achieve a lower "CRP" (Crack pressure) activation for more consistent line pressure, and also utilizes a special internal check ball and spring made from corrosion resistant materials for long-term reliability. This checkvalve also utilizes 1/4" John Guest style push-connect…

    $19.99 Regular Price: $

    Why does BRS recommend this? Check valves are always a good idea to have, however when it comes to reliability you get what you pay for.  There are other good check valves on the market but we feel that the Georg Fischer Wye check valve is by far the most superior.  They have a…

    $43.99 Regular Price: $

    Spears makes the highest quality True Union check valves. Use them to add a last line of defense against overflows. Check valves allow one directional water flow and are used to prevent back siphoning. They are commonly used on return pump outputs to prevent water overflowing the sump in the event…

    $23.99 Regular Price: $

    …osmosis units and BRS media reactors. These high quality American made fittings are constructed with FDA approved materials. * Inline Check Valve 1/4" Push Connect x 1/4" Push Connect * Polypropylene construction * Stops water from flowing backwards * NSF Standard 58…

    $8.99 Regular Price: $

    Ozone Resistant Kynar Check Valves allow one-way water flow and prevent back siphoning. Using ozone resistant materials is absolutely critical when working with ozone. Materials like nylon will melt in a matter of days when it comes in contact with high concentrations of ozone. Inexpensive…

    $12.99 Regular Price: $

    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 Regular Price: $

    Spears makes the highest quality check valves. Use them to add a last line of defense against overflows. Check valves allow one directional water flow and are used to prevent back siphoning. They are commonly used on return pump outputs to prevent water overflowing the sump in the event of a power…

    $20.99 Regular Price: $

    Easily calibrate and test proper functionality of your Hanna Checker HI713 Phosphate Low Range for fresh and marine water (saltwater). * Contains Standard A, Standard B and 1 Packet 713-25 Reagent* * Follow instructions in packaging * Acceptable results must be between 0.92 and 1.08…

    $12.00 Regular Price: $

    Loc-Line flexible modular plumbing offers endless plumbing configurations and is useful for unique plumbing designs. Loc-Line is commonly used on return lines and closed loops where it is important to direct the water flow in a particular direction.

    $9.79 Regular Price: $

    Check valves allow one directional water flow and are used to prevent back siphoning. They are commonly used on return pump outputs to prevent water overflowing the sump in the event of a power outage, pump failure or maintenance. * Slip x Slip * Connection must be permanently…

    $19.99 Regular Price: $

    Check valves allow one directional water flow and are used to prevent back flow and siphoning. These are among the highest quality check valves to be found. Relative to other types and manufacturers of check valves, these valves create minimal pressure loss. They are commonly used on return pump…

    $16.99 Regular Price: $

    Easily calibrate and test proper functionality of your Hanna Checker HI717 Phosphate HR for fresh and marine water. * Contains Standard A and Standard B * Follow instructions in packaging * Acceptable results must be between 14.0 and 16.0 ppm at 25°C   Hanna…

    $12.00 Regular Price: $

    Easily calibrate and test proper functionality of your Hanna Checker HI772 Alkalinity (DKH) for fresh and marine water. * Contains Standard A and Standard B * Follow instructions in packaging * Includes certificate of analysis * Reusaable with long shelf life Hanna…

    $20.00 Regular Price: $

    Easily calibrate and test proper functionality of your Hanna Checker HI736 Phosphorus Ultra Low Range for marine water (saltwater). * Contains Standard A and Standard B * Follow instructions in packaging * Acceptable results must be between 90 and 110 ppb at 25°C …

    $13.99 Regular Price: $

    Easily calibrate and test proper functionality of your Hanna Checker HI755 Alkalinity for marine water. * Contains Standard A and Standard B * Follow instructions in packaging * Acceptable results must be between 90 and 110 ppm at 25°C   Hanna Checker…

    $12.00 Regular Price: $

    Easily calibrate and test proper functionality of your Hanna Checker HI758 Calcium for marine water (saltwater). * Contains Standard A and Standard B * Follow instructions in packaging * Acceptable results must be between 380 and 420 ppm at 25°C   Hanna…

    $17.00 Regular Price: $

    Easily calibrate and test proper functionality of your Hanna Checker HI764 Nitrite Ultra Low Range for marine water (saltwater). * Contains Standard A and Standard B * Follow instructions in packaging * Acceptable results must be between 86 and 114 ppb at 25°C …

    $12.00 Regular Price: $

    The TDS-3 Handheld TDS Meter from HM Digital is a useful tool to spot check the TDS of your home water supply or RO/DI unit output. This unit features a digital display, built in thermometer, and comes with a carrying case. As with all HM-Digital products, the TDS-3 comes factory calibrated.

    $24.99 Regular Price: $

    …MNPT x 1/4" Push Connect Product water output: 1/8" MNPT x 1/4" Push Connect Check Valve   Note: Housing has 1/8" Female NPT Fittings. We highly recommend the use of a push connect elbow check valve on the product water line if you are going to use an auto shut off valve on your…

    $8.99 Regular Price: $

    Match your décor by installing a Reverse Osmosis Faucet to your RO system. This style of faucet does not have an air gap for the waste water line.  If installing for drinking water you should check with city code to see if it requires an air gap faucet.

    $24.99 Regular Price: $

    All Bulk Reef Supply RODI units come pre-installed with an Auto Shut Off Valve and check elbow. If you wish to add a float valve to your BRS RODI system, just purchase a float valve separately and connect it to your product water line.  Standard Float Valve Adjustable Float Valve …

    $24.99 Regular Price: $

    …your tank. Includes check valve and flexible connection fittings that rotate 180° to suit your installation.    Features * Very convenient design that can be mounted hanging on the back of the aquarium or below the aquarium. * Includes check valve and flexible…

    $85.14 Regular Price: $

    check valve that can go inline between the reactor and solenoid valve.    Connecting the Tunze CO2 Regulator and regulator to your bottle only takes a few seconds. Just close the pressure adjustment valve all the way, screw the union nut onto the cylinder, the solenoid and check

    $210.00 Regular Price: $

    …a straight leak free fit. These high quality American made fittings are constructed with FDA approved materials. * Mur-lok 90° Elbow Check Valve * Polypropylene construction * NSF Standard 58 Certified   Sizes -  Male NPT x Push Connect: * 1/4"…

    $9.99 Regular Price: $

    …BRS media reactors. These high quality American made fittings are constructed with FDA approved materials. * Mur-lok 90° Elbow Check Valve * Polypropylene construction * NSF Standard 58 Certified   Sizes -  Stem x Push Connect: * 3/8" Stem…

    $8.99 Regular Price: $

    …Installation Instructions * Drill appropieate size hole in sink drain pipe close to the sink * Stick included gasket around hole (remove die cut circle from center if needed * Position clamp on pipe and fasten with included screws * Push in tubing and check for leaks

    $4.99 Regular Price: $

    …Silver faucet * Faucet adaptor * Tee for between faucet and pressurized tank * Ball valve for turning on and off DI water * Check valve for insuring that water in the pressurized tank doesn't flush through the DI resin * Tee for bypassing the DI stage.   …

    $99.99 Regular Price: $

    …that includes 8 of the most popular parameters for saltwater aquariums in a single solution. Fauna Marin’s Multi-Reference Solution is used to check your home water test kits for accuracy. Using your water test kits at home, you can measure the reference solution and then compare those results…

    $19.99 Regular Price: $

    …something is wrong within a couple seconds.   * IP65 water resistant * Displays in °F or °C * CAL Check * ±0.5°F accuracy * Silicone probe cable * Large display * AISI 316 stainless steel probe * User selectable…

    $39.00 Regular Price: $

    …into the Power Supply and also the auto flush flow restrictor.  5. Turn your source water supply on, and do a quick leak check. Once the leak check is complete, you can plug the Aquatec Power Supply into any wall outlet to energize the system.   What's Included? *…

    $104.99 Regular Price: $

    …into the Power Supply and also the auto flush flow restrictor.  5. Turn your source water supply on, and do a quick leak check. Once the leak check is complete, you can plug the Aquatec Power Supply into any wall outlet to energize the system.   What's Included? *…

    $104.99 Regular Price: $

    …Compatible with any Apex Controller (requires 1Link port) Don't have a 1Link port on your Apex System? Check out the Neptune 1Link Module Need a longer 1Link Cable? Check out the 1Link Extension Cable   Specifications: Pump Dimensions - 3.875" W x 4.875"…

    $299.95 Regular Price: $