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Transform Your Reef with Ecotech Radion XR30 G6! 🌊 Special January Offer: Get a FREE RMS Tank Mount ($199 Value) With Every Radion XR30 G6 PRO or Blue Light Purchase. Offer Ends January 31st, 2025 – Don’t Miss Out!
Transform Your Reef with Ecotech Radion XR30 G6! 🌊 Special January Offer: Get a FREE RMS Tank Mount ($199 Value) With Every Radion XR30 G6 PRO or Blue Light Purchase. Offer Ends January 31st, 2025 – Don’t Miss Out!

Testing and Controllers

Optimize and automate your reef tank maintenance regimen by integrating monitors and controllers from The Coral Shop. Through the deployment of advanced monitoring and control equipment, you can establish a consistently stable environment for your tank's residents. Explore our outstanding assortment of tools today to unleash the full potential of your reef-keeping pursuits.
  • Original price $4.40 - Original price $44.00
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    Hanna Checker Reagents

    Only 1 left!

    Elevate your water testing game with Hanna Checker Reagents! This complete set includes reagents for the entire line of Hanna checkers and testers,...

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    Original price $4.40 - Original price $44.00
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  • Original price $99.00 - Original price $99.00
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    ABC Auto Testing Reagent Kit 2 month supply (Suits NEPTUNE TRIDENT)

    6 in stock

    Can be used to automatically test levels of alkalinity, Ca, and Mg of aquarium water. Our Reagents are supplied in the correct sized bottles. We w...

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    Original price $99.00 - Original price $99.00
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  • Original price $100.00 - Original price $155.00
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    Hanna Checkers

    Only 1 left!

    The Hanna Marine checkers are the ultimate when it comes between chemical reaction test kits and professional instruments using colorimeter. Chemic...

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    Original price $100.00 - Original price $155.00
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  • Original price $20.00 - Original price $20.00
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    Salifert Calcium Profi Test

    8 in stock

    Salifert Calcium CA Profi Test Kit - 50-100 Tests Made in Holland 50-100 Tests Accurate Fast Calcium is a major constituent of calcareous algae, ...

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    Original price $20.00 - Original price $20.00
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    Salifert Magnesium Test Kit

    9 in stock

    Trusted by discerning reefers for years, Salifert Test Kits feature some of the easiest to read results available. Their test kits include easy to ...

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    Original price $20.00 - Original price $20.00
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  • Original price $16.00 - Original price $16.00
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    Salifert Carbonate Hardness / Alkalinity KH Profi Test Kit

    15 in stock

    Calcium alone cannot form the skeletal material of corals and allow calcareous algae to grow. Some other substances are needed as well. A few other...

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    Original price $16.00 - Original price $16.00
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  • Original price $20.00 - Original price $20.00
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    Salifert Phosphate Test Kit

    Only 5 left!

    Trusted by discerning reefers for years, Salifert Test Kits feature some of the easiest to read results available. Their test kits include easy to ...

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    Original price $20.00 - Original price $20.00
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  • Original price $17.50 - Original price $17.50
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    Salifert Nitrate Test Kit

    10 in stock

    Trusted by discerning reefers for years, Salifert Test Kits feature some of the easiest to read results available. Their test kits include easy to ...

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    Original price $17.50 - Original price $17.50
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  • Original price $122.00 - Original price $122.00
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    Hanna pHep+ Pen with ATC

    Out of stock

    HI98108 pHep+ is a compact, waterproof pH tester with a range from 0.00 to 14.00 pH, resolution of 0.01 pH, and ±0.10 pH accuracy.   Compact, wate...

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    Original price $122.00 - Original price $122.00
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  • Original price $86.95 - Original price $86.95
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    True Seawater Refractometer - D-D The Aquarium Solution

    Only 2 left!

    A refractometer truly made for sea water Calibrated specifically for the refractive index of natural sea water Accurate auto temperature compensat...

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    Original price $86.95 - Original price $86.95
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  • Original price $13.50 - Original price $13.50
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    Salifert pH Test Kit

    Only 2 left!

    Trusted by discerning reefers for years, Salifert Test Kits feature some of the easiest to read results available. Their test kits include easy to ...

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    Original price $13.50 - Original price $13.50
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  • Original price $12.95 - Original price $12.95
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    ABC Calibration Solution

    Only 2 left!

    Calibration solution for ABC Reagents replacement kits. 

    Original price $12.95 - Original price $12.95
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  • Original price $15.00 - Original price $20.00
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    Hanna Checker Accessories/Spares

    Only 2 left!

    Hanna Accessories and spares to make your Experience More Enjoyable

    Original price $15.00 - Original price $20.00
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  • Original price $45.00 - Original price $45.00
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    Ph probe for Apex Aftermarket

    Only 1 left!

    Keeping pH stable is critically important to healthy coral in a reef aquarium. A stable pH is also less stressful for all the aquarium’s inhabitant...

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    Original price $45.00 - Original price $45.00
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  • Original price $20.00 - Original price $20.00
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    Salifert Ammonia NH3 Profi Test Kit

    Out of stock

    Detect and measure toxic ammonia and ammonium levels in minutes with the Salifert Ammonia NH3 Profi Test Kit. This straightforward test is essentia...

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    Original price $20.00 - Original price $20.00
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  • Original price $16.50 - Original price $16.50
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    Hanna Seawater Alkalinity ( CaC03) HI755-26

    Only 1 left!

    Original price $16.50 - Original price $16.50
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    Salifert Nitrite NO2 Profi Test Kit

    6 in stock

    Nitrite is a substance that is toxic to fish and invertebrates. It is a misconception that once a tank is through its cycle (first 3 or 4 weeks) th...

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    Original price $17.00 - Original price $17.00
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  • Original price $18.00 - Original price $18.00
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    Salifert Potassium Test Kit

    Only 1 left!

    Having a reliable and easy to use potassium test kit is hard to come by. Salifert test kits have been trusted by discerning reefers for years for t...

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    Original price $18.00 - Original price $18.00
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  • Original price $202.90 - Original price $202.90
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    Reef Factory – Ph Probe

    Only 1 left!

      Ensure accurate measurements and reliable performance with this high-quality replacement pH probe, compatible with both the Reef Factory KH keepe...

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    Original price $202.90 - Original price $202.90
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  • Original price $305.00 - Original price $305.00
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    Reef Factory – Thermo Control

    Only 1 left!

      The Thermo view functions like a traditional thermometer but comes with intelligent features. In addition to monitoring water temperature, you ca...

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    Original price $305.00 - Original price $305.00
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  • Original price $35.00 - Original price $35.00
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    Reef Factory – Smart Roll Replacement - Small

    Only 1 left!

      Upgrade your Reef Factory Smart Roller S filter roller with this top-quality and easy-to-install replacement mat. Measuring 4" in width and 131 f...

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    Original price $35.00 - Original price $35.00
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  • Original price $45.00 - Original price $45.00
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    Reef Factory – Smart Roll Replacement - Medium

    Only 4 left!

      Upgrade your Reef Factory Smart Roller M filter roller with this high-performance replacement fleece roll. It is made from premium-grade material...

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    Original price $45.00 - Original price $45.00
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  • Original price $22.00 - Original price $22.00
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    Salifert Si Silicate Profi Test

    Only 2 left!

    Silicate is commonly found in tap water or purified water when the RO or DI unit is malfunctioning. This can cause diatom blooms and potentially hi...

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    Original price $22.00 - Original price $22.00
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  • Original price $95.00 - Original price $95.00
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    Reef Factory – KH Keeper Reagent 1000ml

    Only 2 left!

      Economize by Creating Your Own Accurate KH Test Fluid with Highly Concentrated KH Keeper Reagent – up to +/- 0.01 dKH! This concentrated reagent ...

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    Original price $95.00 - Original price $95.00
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