Measuring

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    …can waste a lot of water. Most standard RO units will use 1/4" RO tubing however in some rare instances you may need a shut off valve that accommodates 3/8" tubing which we carry as well. Simply just measure the outside diameter of your tubing if you are not sure what size you are working with.

    Starting at:
    $5.99

    Bulk RO Tubing Compatible with all Bulk Reef Supply RODI Systems and other RO(DI) systems that utilize 1/4" Polyethylene Tubing. The 1/4" measurement is the outside diameter of the tubing and will work with all 1/4" Push-Connect fittings.   Our 500 Foot Spool comes as a complete continuous 500-Foot…

    $99.99

    …color fields. To do this, look into the open cuvette from above. Read off the measured pH value under the relevant color field. Rinse out the glass cuvette and the syringe thoroughly with tap water after the measurement process.   Alkalinity/dKH - Up to 100 Tests Shake the dropper bottle before use!…

    $51.32

    SMART UV High Output Manufacturer's Manual   UV sterilizers are most effective as a preventative measure against disease outbreak. While not infallible a properly sized and set up sterilizer will add a significant barrier to disease outbreak. Protecting your system and it's inhabitants will…

    $779.99

    …Specific Gravity Readings in any Lighting Conditions! Refractometers are a must-have piece of equipment for any aquarists! Easily and accurately measure the salinity of your tank and with the built-in LED light, your readings will be consistent no matter the type of ambient light source. Each LED…

    $39.99

    …is attained, then dose daily or weekly as needed (see below). Maintain [Mg2+] within a range of +/-10 ppm. Once desired [Mg2+] has been acquired, measure aquarium's [Mg2+] at the same time each day over a one- to two-week period to determine the daily rate of magnesium uptake (i.e. the decrease in…

    Starting at:
    $15.49

    PAR (photosynthetic active radiation) is the easiest way to measure the available light for corals consume and use for photosynthesis. With LED lights giving more and more control to the consumer the best thing is a PAR meter that is affordable and simple to use. With PAR readings you can monitor…

    $234.00

    …Sterilizers significantly reduce the chance of encountering disease or algae outbreaks.   UV sterilizers are most effective as a preventative measure against disease outbreak. While not infallible a properly sized and set up sterilizer will add a significant barrier to disease outbreak. Protecting…

    $359.99

    …biomass such as dead prawns.   There are distinct advantages to using an inorganic nitrogen source. It has an extensive shelf life. It is easy to measure and dose. It is immediately available for uptake by the bacteria. Because it is inorganic (i.e. lacks carbon), it does not encourage early growth…

    Starting at:
    $10.00

    …etc. Probe Sold Separately.   Features of the Neptune Systems Salinity Expansion Module: Monitor/Control Conductivity/Salinity and temperature 4 Measurement ranges (0-900 uS/cm, 0-9.0 mS/cm, 0-90.0 mS/cm, 0-50 ppt) 6 digital inputs for float switches, water on floor sensors, pressure sensors, etc…

    $84.95

    …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 to the known values printed on the bottle for all of the following parameters. Calcium…

    $19.99

    …water in overall system per 1 ppm of ammonia measured on test kit. Allow 10 minutes to elapse, then re-test ammonia concentration in aquarium and repeat treatment instructions if necessary. Testing for Ammonia: When using this product, be sure to measure ammonia with a test kit featuring ammonia…

    Starting at:
    $6.89

    Bulk RO Tubing Compatible with all Bulk Reef Supply RODI Systems and other RO(DI) systems that utilize 1/4" Polyethylene Tubing. The 1/4" measurement is the outside diameter of the tubing and will work with all 1/4" Push-Connect fittings.   Our 500 Foot Spool comes as a complete continuous 500-Foot…

    $99.99

    …Osmosis Systems Compatible with all Bulk Reef Supply RODI Systems and other RO(DI) systems that utilize 1/4" Polyethylene Tubing. The 1/4" measurement is the outside diameter of the tubing and will work with all 1/4" Push-Connect fittings.    Six Sizes Available: Each length will be a continuous…

    Starting at:
    $1.99

    …micronutrients to enhance growth, color and vitality. Available in 30g and 70gram.   Recommended Use: The convenient cylinder shaped pellets measure under 1mm (800 microns) to ensure digestibility and meet the capture capacity of most LPS corals. Target feeding EasyLPS pellets directly into…

    Starting at:
    $17.99

    …– higher potassium concentrations can be harmful for sensitive invertebrates. On the other hand, by adjusting the potassium concentration to the natural level with Tropic Marin Potassium may improve vitality and colors of many corals. Potassium concentration should always be measured before dosing.

    $17.49

    …Osmosis Systems Compatible with all Bulk Reef Supply RODI Systems and other RO(DI) systems that utilize 1/4" Polyethylene Tubing. The 1/4" measurement is the outside diameter of the tubing and will work with all 1/4" Push-Connect fittings.    Blue RO Tubing is commonly used to distinguish filtered…

    $99.99

    …Osmosis Systems Compatible with all Bulk Reef Supply RODI Systems and other RO(DI) systems that utilize 1/4" Polyethylene Tubing. The 1/4" measurement is the outside diameter of the tubing and will work with all 1/4" Push-Connect fittings.    Black Tubing is commonly used for wastewater lines…

    Starting at:
    $1.99

    …Osmosis Systems Compatible with all Bulk Reef Supply RODI Systems and other RO(DI) systems that utilize 1/4" Polyethylene Tubing. The 1/4" measurement is the outside diameter of the tubing and will work with all 1/4" Push-Connect fittings.    Natural Clear coloration is a semi-translucent white…

    Starting at:
    $2.99

    …Sterilizers significantly reduce the chance of encountering disease or algae outbreaks.   UV sterilizers are most effective as a preventative measure against disease outbreak. While not infallible a properly sized and set up sterilizer will add a significant barrier to a disease outbreak. Protecting…

    $379.99

    …Sterilizers significantly reduce the chance of encountering disease or algae outbreaks.   UV sterilizers are most effective as a preventative measure against disease outbreak. While not infallible a properly sized and set up sterilizer will add a significant barrier to disease outbreak. Protecting…

    $399.99

    …Sterilizers significantly reduce the chance of encountering disease or algae outbreaks.   UV sterilizers are most effective as a preventative measure against disease outbreak. While not infallible a properly sized and set up sterilizer will add a significant barrier to a disease outbreak. Protecting…

    $739.99

    …instructions thoroughly. Do not overdose. Determine concentration of chloramines or chlorine in water prior to treating with Erāse-ClP. Be sure to measure ammonia with a test kit featuring ammonia salicylate reagent rather than Nessler's reagent; Nessler's reagent will give an incorrect positive…

    Starting at:
    $10.79

    …calcium reactor to adjust the rates of water flow and CO2-injection and attain the desired concentrations of magnesium and calcium in the effluent. Measure alkalinity, calcium, and magnesium concentrations in the aquarium two- to four-times each month during the course of using NēoMag to ensure that…

    Starting at:
    $14.99

    …Tropic Marin PO4-Test, the phosphate content can be determined using a finely-tuned color chart which has a concentration range of 0.03 – 3 ppm. Measurement Range of 03. - 3.0 mg/L(ppm) Accuracy of 0.05 mg/L(ppm) Up to 50 Tests Conversion Table Included   Instructions: Shake the dropper bottles…

    $22.25

    …to 1/4" container wall thickness. Estimated flow rate of 1.5 GPM at 40 PSI Tested to 100 PSI Approximate diameter is 1.4" Flange to float tip measurement is 5.7" - Inlet adds approximately 1" to overall length Comes complete with jam nut, sealing washer, JACO compression nut and polyethylene float…

    $15.99

    …with up to 1/4" wall thickness Estimated flow rate of 1.5 GPM at 40 PSI Tested to 100 PSI Approximate diameter is 1.4" Flange to float tip measurement is 5.7" - Inlet adds approximately 1" to overall length Comes complete with jam nut, sealing washer, JACO compression nut and polyethylene float…

    $14.99

    …Thick at Bezel 100W 29 Gallons 9 3/4" x 2 1/8" x 4/5" Thick at Bezel 150W 40 Gallons 10 7/8" x 2 1/8" x 4/5" Thick at Bezel 300W 75 Gallons 10 7/8" x 2 1/8" x 4/5" Thick at Bezel Note: 300W model consists of two connected heating elements that measure 10 7/8" x 2 1/8" x 4/5" each.   Owners Manual

    Starting at:
    $58.89

    …kit should be accessible to any serious reefer. We have found the Milwaukee MI412 Phosphate checker to be one of the most reliable test kits to measure phosphates. Excess amounts of phosphates (PO4) can actually inhibit coral growth and coloration. The most notable addition of phosphates added in…

    $189.99

    …shown on a large backlit LCD display making values very easy notice at a glance. Memory within the PS-10 will retain the KWH, and elapse time measurements allowing you to know how much power your aquarium consumes throughout the day. Advanced Surge Protection Circuitry Soft Power-Up Displays Max/Min…

    $69.99

    …Diameter* - 1.25" (works with 1" PVC pipe) Filter Sock Opening Diameter - 3.5" (Fits Vertex 4" Filter Socks) Dimensions - 5.125" L x 4.5" W x 3.75" H   What's Included? Filter Sock Module 1x Titanium Screw   *Note: Plumbing diameter is measured in inches and does not correspond to PVC pipe sizing.  

    $29.99 $17.99

    …when the color change happens and Tropic Marin's Basic KH Kit produces a very distinct change when the proper amount of reagent has been added. Measurement Range of 1 - 20 dKH Accuracy of 0.5 or 1 dKH Up to 100 tests @ 1 dKH resolution Conversion Table Included   Instructions: Shake the bottles…

    $12.12