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    …There is a dedicated port on the VarioS controller letting you directly connect your VarioS pump to any third party controller through a 0-10V reference port. Controlling your pump through a controller like an Apex lets you create your own flow profiles which are particularly handy for closed-loop…

    $214.99

    …There is a dedicated port on the VarioS controller letting you directly connect your VarioS pump to any third party controller through a 0-10V reference port. Controlling your pump through a controller like an Apex lets you create your own flow profiles which are particularly handy for closed loop…

    $284.99

    …There is a dedicated port on the VarioS controller letting you directly connect your VarioS pump to any third party controller through a 0-10V reference port. Controlling your pump through a controller like an Apex lets you create your own flow profiles which are particularly handy for closed loop…

    $324.99

    …There is a dedicated port on the VarioS controller letting you directly connect your VarioS pump to any third party controller through a 0-10V reference port. Controlling your pump through a controller like an Apex lets you create your own flow profiles which are particularly handy for closed loop…

    $414.99

    …There is a dedicated port on the VarioS controller letting you directly connect your VarioS pump to any third party controller through a 0-10V reference port. Controlling your pump through a controller like an Apex lets you create your own flow profiles and get the absolute best performance from…

    $247.99

    …There is a dedicated port on the VarioS controller letting you directly connect your VarioS pump to any third party controller through a 0-10V reference port. Controlling your pump through a controller like an Apex lets you create your own flow profiles and get the absolute best performance from…

    $334.99

    …There is a dedicated port on the VarioS controller letting you directly connect your VarioS pump to any third party controller through a 0-10V reference port. Controlling your pump through a controller like an Apex lets you create your own flow profiles and get the absolute best performance from…

    $372.99

    ZEOvit System Guide KZ Product Guide   Helps breakdown decomposing substances in the sand bed and on rock surfaces commonly referred to as mulm.  Mulm is often an unattractive brown material that settles throughout the tank. Primary source of mulm is uneaten foods and fish waste.  Proper use of…

    Starting at:
    $18.99

    …to achieve desired nutrient content in reef aquaria for improved health and coloration of inhabitants.   Instructions and Guidelines Please refer to the directions on the bottle's packaging for the most up to date concentrations and dosing instructions. Caution: Keep out of reach of children.…

    Starting at:
    $6.29

    …to achieve desired nutrient content in reef aquaria for improved health and coloration of inhabitants.   Instructions and Guidelines Please refer to the directions on the bottle's packaging for the most up to date concentrations and dosing instructions.   Caution Keep out of reach of children.…

    Starting at:
    $6.29

    …is ideal for controllers like the Reef Keepers, a breakout box or any other I/O switch sensing device. By connecting the two bare wires to the reference and ground you can then control your skimmers power status through your favorite controller.    Maintenance Keeping Davey's Locker clean is very…

    Starting at:
    $174.99

    …is ideal for controllers like the Reef Keepers, a breakout box or any other I/O switch sensing device. By connecting the two bare wires to the reference and ground you can then control your skimmers power status through your favorite controller.    Maintenance Keeping Davey's Locker clean is very…

    Starting at:
    $189.99

    …or saltwater prior to initial placement in aquarium system. Employ in a calcium reactor per the manufacturer’s instructions. If employing NēoMag, refer to the instructions on the label. The rate of water flow through the reactor in conjunction with the pH of the water inside the chamber(s) will have…

    $36.99 $33.29

    …the dosage of MicrōBacter7 and Reef BioFuel according to the appearance of the system, the inhabitants, and as dictated by the water parameters. Refer to the instructions on each of the afore-mentioned supplements’ labels for additional information. Every six-weeks, change 25% of the NēoZeo media…

    Starting at:
    $9.44

    …aquarium to aquarium and will depend on the amount of water your tank evaporates per day, and also the demand for calcium and alkalinity. Please refer to the chart at the bottom of the page for starting recommendations.    Maintenance Once every two weeks, the kalkwasser solution in the K1 will need…

    $209.99

    …aquarium to aquarium and will depend on the amount of water your tank evaporates per day, and also the demand for calcium and alkalinity. Please refer to the chart at the bottom of the page for starting recommendations.    Maintenance Once every two weeks, the kalkwasser solution in the K2 will need…

    $259.99

    …the immersion correction factor installed in the meter and will automatically compensate for any effects underwater readings may have.   Quatum refers to the amount of energy carried by a photon. Apogee quantum sensors measure photosynthetically active radiation or photosynthetic photon flux (PPF).…

    $377.00

    …reef tanks. Excessive phosphate levels can prevent calcification, skeletal formation, and growth of many coral species, particularly those referred to as SPS or small-polyp stony. In addition, high phosphate levels can cause nuisance algae growth in your reef tank. This can become problematic…

    $49.95

    …and special prebiotic bacteria food to promote probiotic bacterial growth and to create low-nutrient conditions in the aquarium. The term synbiotic refers to supplements which combine probiotics and prebiotics in a form of synergism. Tropic Marin Syn-Biotic Sea Salt is ideal when you are setting up…

    $48.99

    …and special prebiotic bacteria food to promote probiotic bacterial growth and to create low-nutrient conditions in the aquarium. The term synbiotic refers to supplements which combine probiotics and prebiotics in a form of synergism. Tropic Marin Syn-Biotic Sea Salt is ideal when you are setting up…

    $110.39

    …and special prebiotic bacteria food to promote probiotic bacterial growth and to create low-nutrient conditions in the aquarium. The term synbiotic refers to supplements which combine probiotics and prebiotics in a form of synergism. Tropic Marin Syn-Biotic Sea Salt is ideal when you are setting up…

    Starting at:
    $48.99

    …there should be almost no flex to the cartridge. The initial couple minutes of water from your RO membrane will always be high, this is commonly referred to as TDS creep. Diverting the first few minutes of water down the drain can often greatly reduce DI resin consumption. Maintain low levels of…

    $23.99

    …there should be almost no flex to the cartridge. The initial couple minutes of water from your RO membrane will always be high, this is commonly referred to as TDS creep. Diverting the first few minutes of water down the drain can often greatly reduce DI resin consumption. Maintain low levels of…

    Starting at:
    $13.99

    …there should be almost no flex to the cartridge. The initial couple minutes of water from your RO membrane will always be high, this is commonly referred to as TDS creep. Diverting the first few minutes of water down the drain can often greatly reduce DI resin consumption. Maintain low levels of…

    Starting at:
    $11.99

    …per 5 day period. Reoccurrence of cloudy water after Clarifī-SW has been employed to satisfactorily clarify water is an indication that issues referred to in Technical Background (opposite panel) may need to be addressed. The long-term successful care of aquaria relies upon the employment of sound…

    Starting at:
    $6.29

    …the immersion correction factor installed in the meter and will automatically compensate for any effects underwater readings may have.   Quantum refers to the amount of energy carried by a photon. Apogee quantum sensors measure photosynthetically active radiation or photosynthetic photon flux (PPF).…

    $59.99

    …reef tanks. Excessive phosphate levels can prevent calcification, skeletal formation, and growth of many coral species, particularly those referred to as SPS or small-polyp stony. In addition, high phosphate levels can cause nuisance algae growth in your reef tank. This can become problematic…

    $255.00

    …2. At the C.1 prompt, place A, HI772-11 standard cuvette into the holder of the Checker and press the button. 3. At the C.2 prompt, place B, HI772-11 standard cuvette into the holder of the Checker and press the button. 4. Compare readings to the certificate of analysis for calibration reference.

    $20.00

    …(preferably purified); each ml of the solution will increase magnesium concentration (”[Mg2+]”) in 1 US-gallon (3.785 L) of water by 6.0 ppm. [Reference: Each g of Magnesion-P will increase the [Mg2+] in 1 US-gallon (3.785 L) of water by 114.4 ppm.] If initial [Mg2+] in the aquarium is below 1,288…

    Starting at:
    $13.94

    …(preferably purified); each ml of the solution will increase the strontium concentration (”[Sr2+]”) in 1 US-gallon (3.785 L) of water by 0.75 ppm. [Reference: Each g of Strontion-P will increase the [Sr2+] in 1 US-gallon (3.785 L) of water by 143 ppm.] If initial [Sr2+] in aquarium is below 412 ppm,…

    Starting at:
    $13.04

    …that will be optimal for coral health and growth. With the Kessil Spectral Controller or your favorite aquarium controller that has a 0-10v reference, you can set complete day cycles that ramp up, down, while keeping a consistent output and spectrum.   Coverage Maximum Spread - 24" x 24" Recommended…

    $129.00

    JBJ TRUE TEMP Titatium Heating System includes: Digital Heater Controller - accurate and precise to +/- 0.5° F Titatium Heater with Safety Guard Remote Temperature Probe - remote quick disconnect temperature probe can be placed up to 5 Ft away from the heating element for a comprehensive temperature…

    Starting at:
    $99.99