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    …per 8-fl. oz. of purified water may be mixed at once.Advanced Instructions and Guidelines:Create a stock solution by dissolving 35 grams of Reef Code A-P in 8-fl. oz. of purified fresh water; each ml of the solution will increase the calcium concentration (“[Ca2+]”) in 1 US-gallon (3.785…

    $11.49 Regular Price: $
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    …with Reef Code A, the calcium and carbonates being added are in the same ratio found in natural seawater. Do not mix products in the same container; this will cause the active components to precipitate and become ineffective. Allow 60 seconds to pass between dosing with Reef Code A and B.Advanced:…

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    …that will not allow a properly sized fixture inside of it, retrofit kits are the way to go. They can be installed almost anywhere, and the color coded wiring harness makes wiring a breeze. LET includes high quality individual parabolic reflectors made from 96% German reflective aluminum allowing…

    $121.99 Regular Price: $
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    …follow the instructions you are prompted with and you can then connect and control your lights from your moble device. Each light also includes a QR code that makes connecting to the light a lot easier and eliminates any guesswork. Download the Kessil WiFi App: Specifications: Dimensions - 2.08" x…

    $99.00 Regular Price: $

    Overview The alkalinity-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing alkalinity (”buffering capacity”)) in the same ratio as that found in natural seawater. Benefits reef-building organisms such as corals,…

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    …with Reef Code B, the calcium and carbonates being added are in the same ratio found in natural seawater. Do not mix products in the same container; this will cause the active components to precipitate and become ineffective. Allow 60 seconds to pass between dosing Reef Code A and B.Advanced:…

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    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: $
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    …Float Switch 211147 Regal 250(includes hole for float switch) ANC 300 Float Switch 211148 Regal 300 (includes hole for float switch) Neptune Apex Code for Neck Cleaner Operation: This will operate the cleaner for 15 seconds out of every 6 hours, continuously. 1. [Cleaner]2. Fallback OFF3. OSC…

    $174.99 Regular Price: $
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    …that will not allow a properly sized fixture inside of it, retrofit kits are the way to go. They can be installed almost anywhere, and the color coded wiring harness makes wiring a breeze. LET includes high quality individual parabolic reflectors made from 96% German reflective aluminum allowing…

    $129.99 Regular Price: $
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    Wire harness is color coded for easy installation and comes with a quick disconnect for simple ballast removal. Identical to the harness provided with the LET Retrofit kits.Having a wiring harness that is pre-wired for a ballast can make wiring a retrofit kit much easier. With a quick disconnect…

    $16.99 Regular Price: $

    …is used to titrate samples to the phenolphthalein endpoint. Method: Titrator Range: 0-50 ppm Sensitivity: 1.0 ppm CO2 Contains 50 tests at 50 ppm What's Included? Titrator Vial with Cap 60 mL Carbon Dioxide B 15 mL Phenolphthalein Indicator 1% Case Item # - Carbon Dioxide DRT - Code 7297-DR-01

    $45.99 Regular Price: $

    …ProfiLux Mini WiFi is simple and intuitive. With user-friendly programming through an interactive setup dialog, theres no intimidating programming or coding required! Features Rock-Solid Hardware Professional Software Measures and controls pH-value Measures and controls temperature Controls lighting…

    $379.90 Regular Price: $

    …ProfiLux Mini WiFi is simple and intuitive. With user-friendly programming through an interactive setup dialog, theres no intimidating programming or coding required! Features Rock-Solid Hardware Professional Software Measures and controls pH-value Measures and controls temperature Controls lighting…

    $379.90 Regular Price: $

    …measurement, and much, much more. You can enjoy intuitive setup and programming through the software, with drop down menus and boxes rather than coding. The Profilux 4 includes integrated modules for measuring conductivity, temperature, pH, and ORP. Connections for level sensors, flow sensors,…

    $899.90 Regular Price: $

    …measurement, and much, much more. You can enjoy intuitive setup and programming through the software, with drop down menus and boxes rather than coding. The Profilux 4 includes integrated modules for measuring conductivity, temperature, pH, and ORP. Connections for level sensors, flow sensors,…

    $899.90 Regular Price: $

    …measurement, and much, much more. You can enjoy intuitive setup and programming through the software, with drop down menus and boxes rather than coding. While the Profilux 4 Starter set comes with the Temperature and pH sensors, it also has built-in connections to allow for measuring conductivity…

    $699.90 Regular Price: $

    …measurement, and much, much more. You can enjoy intuitive setup and programming through the software, with drop down menus and boxes rather than coding. While the Profilux 4 Starter set comes with the Temperature and pH sensors, it also has built-in connections to allow for measuring conductivity…

    $699.90 Regular Price: $
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