Reference

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    The only reference solution based on a saltwater matrix 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…

    $19.99

    Milwaukee Calibration Solution sold in boxes of 25.   Almost all pH monitors and controllers will require two points of reference to accurately monitor the pH that the probe is reading. You will want to use calibration solutions that are on either spectrum of the pH you intend to monitor. For reef…

    Starting at:
    $22.99

    …Probe was designed specifically with aquariums in mind. It features long continuous duty life expectancy, fast response and is non-toxic to aquarium systems.   10ft cable with high interference suppression jacket Ag-AgCl reference 99.9% pure platinum   *Calibration solutions sold separately

    $39.99

    …accurately measure the Calcium concentration in saltwater aquariums! Every test kit batch is certified and approved by Aquaforest ICP-OES testing reference solutions. Recommended Calcium Level - 400ppm - 450ppm   Aquaforest marine test kits are designed to quickly and accurately measure the…

    $17.99

    …measure the Alkalinity concentration in saltwater aquariums! Every test kit batch is certified and approved by Aquaforest ICP-OES testing reference solutions. Recommended Alkalinity Level - 7dKH to 8dKH   Aquaforest marine test kits are designed to quickly and accurately measure the concentration…

    $12.99

    …Tubing is perfect if you want to color-coordinate your dosing pump tubing to your plumbing and other equipment, or simply just want an easy way to reference between the different tubes coming off your dosing pumps. Silicone tubing is super versitile, flexible, makes tighter turns without kinking,…

    Starting at:
    $4.36

    …Tubing is perfect if you want to color-coordinate your dosing pump tubing to your plumbing and other equipment, or simply just want an easy way to reference between the different tubes coming off your dosing pumps. Silicone tubing is super versitile, flexible, makes tighter turns without kinking,…

    Starting at:
    $4.36

    …Tubing is perfect if you want to color-coordinate your dosing pump tubing to your plumbing and other equipment, or simply just want an easy way to reference between the different tubes coming off your dosing pumps. Silicone tubing is super versitile, flexible, makes tighter turns without kinking,…

    Starting at:
    $4.36

    …Tubing is perfect if you want to color-coordinate your dosing pump tubing to your plumbing and other equipment, or simply just want an easy way to reference between the different tubes coming off your dosing pumps. Silicone tubing is super versitile, flexible, makes tighter turns without kinking,…

    Starting at:
    $4.36

    …kits. Having a wiring harness that is pre-wired for a ballast can make wiring a retrofit kit much easier.  With a quick disconnect service is simple, and can be reconnected within seconds.   Compatible with most ballasts. Harness Total Length is 8ft Long   Note: Dimmable reference wire not included.

    $16.99

    Dimmable ballast work with ATI fixtures or can be used in a retrofit fixture. Dimmable ballasts need a 0-10vDC reference for control which can be found on most common aquarium controllers.ATI replacement dimmable ballasts are some of the highest quality ballasts on the market. The ballasts are used…

    $65.99

    Dimmable ballast work with ATI fixtures or can be used in a retrofit fixture. Dimmable ballasts need a 0-10vDC reference for control which can be found on most common aquarium controllers.ATI replacement dimmable ballasts are some of the highest quality ballasts on the market. The ballasts are used…

    $65.99

    …Control Interface Modules. If you have an Apex, ApexEL, ReefKeeper, GHL, Cerebra or any other type of aquarium controller that can manage 0-10V reference devices you can customize the brightness and tweak your Reef Brite LED lights to match your tanks desires perfectly.  Two Models Available: Single…

    Starting at:
    $104.10

    …meet all of Hanna's requirements, using standards and reference instruments that are traceable to the National Institute of Standards (NIST) in the USA or to the internationally acceptable national physical standards. The standards and reference instruments used in calibration and tested are also…

    $39.00

    Use these gaskets to replace the existing gasket in your ABS bulkhead. Available for bulkhead sizes 1/2", 3/4", 1", 1 1/2" and 2" (Sizes are nominal sizes that refer to the bulkhead size, not the measurement of the gasket).

    Starting at:
    $2.99

    Use these gaskets to replace the existing gasket in your Schedule 80 bulkhead. Available for bulkhead sizes 1/2", 3/4", 1", 1 1/2" and 2" (Sizes are nominal sizes that refer to the bulkhead size, not the measurement of the gasket).

    Starting at:
    $3.99

    …probe which creates two chambers within the probe. The first one is filled with the reference gel containing mostly potassium chloride, silver chloride and reference probe. The second chamber has just reference gel containing mostly potassium chloride. This design prevents precipitation by keeping…

    $59.99

    …setting your desired temperature simple and easy. Compatibility Plug any heater up to 1000 W maximum load into the controller. Cross Reference Cross reference temperature abilities ensures the temperature is accurate and always correct. Smart Memory Chip Smart Memory Chip will reset the previous…

    $89.99

    …probes letting you go longer between calibrations, and having to purchase and replace probes less frequently. The Double Junction isolates the reference gel and probe from proteins and other organics that may otherwise precipitate and clog, shortening the lifespan of the probe. Longer lasting…

    $74.95

    …probes letting you go longer between calibrations, and having to purchase and replace probes less frequently. The Double Junction isolates the reference gel and probe from proteins and other organics that may otherwise precipitate and clog, shortening the lifespan of the probe. Longer lasting…

    $84.95

    …accurately measure the Magnesium concentration in saltwater aquariums! Every test kit batch is certified and approved by Aquaforest ICP-OES testing reference solutions.   Recommended Magnesium Level - 1260ppm - 1500ppm   Aquaforest marine test kits are designed to quickly and accurately measure the…

    $17.99

    …probe which creates two chambers within the probe. The first one is filled with the reference gel containing mostly potassium chloride, silver chloride and reference probe. The second chamber has just reference gel containing mostly potassium chloride. This design prevents precipitation by keeping…

    $69.99

    …electrode in your HI98129 pH Combo Pen.   We recommend calibrating your electrode any time that a new one is installed.   Specifications: Reference - Single, Ag/AgCl Junction - Cloth Electrolyte - Gel Max Pressure - 0.1 bar Range - 0-14 pH Operating Temp - 23 - 122°F Body Material - polypropylene…

    $55.00

    …connects directly to the XStream-E controller utilizing the pumps original power supply. The other end of the cable can connect to any 0-10v DC reference controller that utilizes a RJ45 connection Flow in a reef tank helps remove detritus, settling waste and providing water movement around corals.…

    $19.99

    …shake it. After 2 minutes of development time place the open test cuvette and the reference cuvette with the water sample into the comparator. Place the comparator on the color card in such a way that the reference cuvette is sitting on a colored field and the test cuvette on a white field. Now…

    $22.25

    …monitor temperature, and the exposed temperature sensors allow for rapid automatic temperature compensated pH measurements.    Hanna has a unique reference cell design that utilizes an extractable cloth junction for the pH electrode. Cloth junctions are well known for creating clogs that can cause…

    $49.50

    …accuracy is +/-1% Calibration: Digital automatic calibration (one point) with digital fine tuning Electrode: Replaceable glass sensor and reference tube electrodes Housing: IP-67 Waterproof (submersible; floats) Power source: 2x AAA Batteries (included) Dimensions: 18.5 x 3.4 x 3.4 cm (7.3…

    $79.99

    Pinpoint High Precision pH Calibration Solution sold in single use packets.   Almost all pH monitors and controllers will require two points of reference to accurately monitor the pH that the probe is reading. You will want to use calibration solutions that are on either spectrum of the pH you…

    Starting at:
    $0.99

    …use in fish-only aquaria. Not for use with scaleless fish. Not for use in aquaria housing live plants or invertebrates. Consult an appropriate reference source for the use of ionic copper solutions in aquaria before use.   Instructions and Guidelines Cuprion has been formulated to increase the…

    Starting at:
    $6.29

    …Precision Hydrometer provides an exact and reliable measurement of specific gravity, and it never needs to be re-calibrated, so it's a perfect reference device for calibrating other equipment. High precision hydrometer for determining the specific gravity in aquariums Maximum deviation: 0.001 at…

    $31.25

    …and probes.   Milwaukee Calibration Solution sold in single use packets.   Almost all pH monitors and controllers will require two points of reference to accurately monitor the pH that the probe is reading. You will want to use calibration solutions that are on either spectrum of the pH you intend…

    Starting at:
    $1.09

    …shake it. After 2 minutes of development time place the open test cuvette and the reference cuvette with the water sample into the comparator. Place the comparator on the color card in such a way that the reference cuvette is sitting on a colored field and the test cuvette on a white field. Now…

    $51.32