Water Tester

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    …Conductivity Meters are ideal for many different water applications like reverse osmosis water purity, wastewater regulation, aquaculture, more. The large LCD display lets you quickly see the conductivity reading along with the temperature of the water. Along with a waterproof housing and the large…

    $69.26 Regular Price: $76.95

    Digital testers are steadily paving their way into the hobby. The IceCap SPT03 Digital Pocket Tester helps eliminate the uncertainty when it comes to mechanical refractometers. The SPT03 is a portable, rugged, water resistant device that utilizes electric conductivity to determine the specific…

    $74.99 Regular Price: $

    …levels in your fresh water. The Hanna HI775 Checker HC Handheld Colorimeter for Alkalinity in fresh water bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument with your water sample. Next, remove sample…

    $59.95 Regular Price: $

    …in fresh water with the Hanna Checker Colorimeter - Ammonia Low Range for Fresh Water (HI 700). Designed to be more accurate alternative to chemical test kits. First, add sample to the included cuvette. Next, insert sample into the Checker and zero the instrument with your water sample. Then,…

    $59.95 Regular Price: $

    …with your water sample. Then, remove the sample and add the reagent. Finally, place the vial into back into the Hanna Checker, press the button and read the results. Done. Use in conjunction with the Hanna Checker Free Chlorine Colorimeter to help determine chloramines in your water. Easier to use…

    $59.95 Regular Price: $

    …ranges of Nitrites in your fresh water. The Hanna HI707 Checker HC Handheld Colorimeter for Nitrite LR bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument with your water sample. Next, remove the sample…

    $59.95 Regular Price: $

    …the instrument with your water sample. Next, add the reagent. Last, place the vial into the Hanna Calcium Checker, press the button and read the results. Done. Easier to use and more accurate than chemical test kits. Tips for accurate results: Use HannaHI70436 Deionized Water Make sure testing vials…

    $59.95 Regular Price: $

    …gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the Hanna Alkalinity Checker, press the button and read the results. Done. Easier to use…

    $59.95 Regular Price: $

    …gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the Hanna Alkalinity Checker, press the button and read the results. Done. Easier to use…

    $59.95 Regular Price: $

    The HI782 Nitrate Checker HC by Hanna Instruments is a simple and accurate handheld colorimeter that uses the zinc reduction method to determine nitrate concentration in marine applications. With a digital read out, there is no more struggling to determine colors visually. The HI782`s high range of…

    $59.95 Regular Price: $

    …between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument with your water sample. Next, add the reagents. Last, place the vial into the Hanna Phosphorus Checker, press the button and read the results. Done. Features Easier…

    $59.95 Regular Price: $

    …health in your reef.Testing for phosphates is standard practice for saltwater aquariums and provides valuable insight into your reef tank’s water chemistry to help ensure long-term coral health. The HI774 Phosphate ULR checker provides an accurate way to measure phosphate from 0.00 to 0.90 ppm…

    $59.95 Regular Price: $

    …to chemical test kits. First, add sample to the included cuvette. Next, insert the sample into the Checker and zero the instrument with your water sample. Then, remove the sample and add the reagent. Finally, place the vial into back into the Hanna Checker, press the button and read the results.…

    $59.95 Regular Price: $

    …gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the Hanna Nitrite Checker, press the button and read the results. Done. Features Easier to…

    $59.95 Regular Price: $

    …gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the Hanna Phosphate Checker, press the button and read the results. Done. Adaptation of…

    $59.95 Regular Price: $

    …thoroughly with tap water after the measurement process. Alkalinity/dKH -Up to 100 Tests Shake the dropper bottle before use! Rinse out the glass cuvette with tap water and then several times with aquarium water. Fill the glass cuvette with exactly 5 ml of aquarium water using the dosing syringe.…

    $56.97 Regular Price: $

    …power When power is lost to a system with a sump the water level in the sump will almost always rise up a few inches. When power returns to the system the rise in water level can affect your skimmer and cause it to overflow due to excessive water level right on start up. The solution to that problem…

    $51.96 Regular Price: $

    The Optical Level Sensor (Version 2) from GHL is designed for use with Profilux aquarium controllers and provides constant water level monitoring through the means of an electronic eye. Optical sensors are great for precise level control and have no moving parts to wear out or become blocked, making…

    $82.90 Regular Price: $

    …stones, aiming return nozzles at the surface of the water, or a water pump that vertically pushes the water to the surface to allow for gas exchange. In a typical reef tank most O2 is lost and transferred with CO2 at the surface of the water. Another large sink for dissolved oxygen to be consumed…

    $74.95 Regular Price: $

    …Solution 3A - Add 0.5 Liters of RODI water to a 1L dosing container. Add the contents of 3A and top off the container with RODI water. Solution 3B - Add 0.5 Liters of RODI water to a 1L dosing container. Add the contents of 3B and top off the container with RODI water. Dosing Core7 Base Elements We…

    $52.00 Regular Price: $

    Ideal for all liquid pH testing applications. Great for checking tap water and product water from your RO/DI system. Also works well for testing system water in hydroponics, aquaculture systems, labs & scientific testing environments, pools, and much more. Features: Measures pH and Temperature…

    $71.99 Regular Price: $79.99

    …residential, designed for commercial/industrial Electrical Conductivity readings in water are a great way to measure the purity, or the concentration of a solution. The HM Digital DM-2EC is great for almost all water filtration systems, especially Reverse Osmosis Deionization systems where two…

    $53.96 Regular Price: $59.95

    …saltwater! No longer do you need to read color charts, trust Hanna's HI702 Copper Checker to know the precise amount of copper in your aquarium water. The High Range Colorimeter gives greater precision over previous models and gives you a digital reading on a large LCD display. Copper is generally…

    $59.95 Regular Price: $

    …top off waterreservoir. Low Demand - 1/2 teaspoon per gallon of top off water Medium Demand - 1 teaspoon per gallon of top off water High Demand - up to 1 1/2 teaspoons per gallon of top off water Step 3.With RODI water fill your top off reservoir & mix in the proper amount of kalkwasser…

    $80.99 Regular Price: $89.99
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    …Solution 3A - Add 0.5 Liters of RODI water to a 1L dosing container. Add the contents of 3A and top off the container with RODI water. Solution 3B -Add 0.5 Liters of RODI water to a 1L dosing container. Add the contents of 3B and top off the container with RODI water. Dosing Core7 Reef Supplements…

    $52.00 Regular Price: $

    …Reactors helps to keep filter media suspended and evenly dispersed to provide maximum contact time between your aquarium water and the media inside the reactor. Water is introduced into the bottom of the filter and then gravity pushes it upward through the media and back out into your tank.AquaMaxx…

    $80.99 Regular Price: $89.99
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    …Reactors helps to keep filter media suspended and evenly dispersed to provide maximum contact time between your aquarium water and the media inside the reactor. Water is introduced into the bottom of the filter and then gravity pushes it upward through the media and back out into your tank.AquaMaxx…

    $80.99 Regular Price: $89.99

    …ppm Range: 0-64 ppm Test Type: Color comparator Affordable reagent refills A successful coral reef aquarium depends on how well you maintain the water parameters which are the key to a stable coral environment. Using Red Sea test kits will allow you to accurately measure these levels and guide you…

    $50.99 Regular Price: $

    …ppm Range: 0-5 ppm Test Type: Color comparator Affordable reagent refills A successful coral reef aquarium depends on how well you maintain the water parameters which are the key to a stable coral environment. Using Red Sea test kits will allow you to accurately measure these levels and guide you…

    $50.99 Regular Price: $

    …system to function, if you already have a HYDROS aquarium controller, this is a very economical add-on to manage water top off functions. HYDROS Water Level Sensor The HYDROS Water Level Sensor contains no moving parts that can fail. Its extremely tiny; a little over a half-inch thick with a…

    $79.99 Regular Price: $

    …Just plug your heater or chiller into the Smart Temp, and mount the sensor anywhere under the water in your aquarium to know that your temperature will never go out of the safe zone. When the water temperature is higher than84°F or lower than 72°F the outlet will shut itself off and give…

    $59.99 Regular Price: $

    …Reefer Salt to 1 Gallon of RO/DI water. Let it mix until it is clear and test the specific gravity of the solution. Add salt or water as needed to meet your desired salinity. To mix by weight - Add approximately 1lbs of HW Reefer Salt every 3.6 gallons of RODI water. Let it mix until it is clear and…

    $65.69 Regular Price: $72.99
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