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    …each reagent kit will last approximately 2-months before a new reagent is required. 720x Alkalinity Tests (reagent changed every month) 360x Calcium Tests (reagent changed every 2-months) 360x Magnesium Tests (reagent changed every 2-months) *Note: Reagents have a…

    $89.96 Regular Price: $99.95
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    …magnesium tests per day, the reagent kit will last approximately 2-months before a new reagent is required. 240x Alkalinity Tests (reagent changed every month) 120x Calcium Tests (reagent changed every 2-month) 120x Magnesium Tests (reagent changed every 2-month) …

    $40.46 Regular Price: $44.95

    Reagent refill for Alkalinity Colorimeter HI772 or HI755 Hanna Checker HC - Marine Water. * Enough reagent for 25 tests. * Item #: HI755-26

    $7.65 Regular Price: $9.00

    Phosphate Ultra Low Range reagent refills for the easy to use, handheld Phosphate ULR ppm Colorimeter HI774 Hanna Checker HC - Marine Water. * 25 packets of reagent * Item #: HI 774 -25

    $7.65 Regular Price: $9.00

    …5' Clear Waste Tubing 1x 2-Month Reagent Supply*   *The included reagent is the actual 2-month reagent kit, however with initial setup of the Trident, a small amount of reagent will be used, which will result in about 45 days of reagent remaining (which can vary depending on…

    $539.96 Regular Price: $599.95

    Calcium reagent refills for the easy to use, handheld Hanna Calcium Checker. Individual reagent packets for 25 tests. * Enough reagent for 26 tests. * Item #: HI758-26

    $19.55 Regular Price: $23.00

    …KH/Alkalinity Kit includes: * 75 tests * Analytical grade glass vials * Easy-to-use, high precision Titrator * Affordable reagent refills   Red Sea produces a line of kits they call the Reef Foundation kits including Calcium, Alkalinity and Magnesium.…

    $31.49 Regular Price: $34.99

    …Standard Method for Examination of Water and Wastewater, 20th edition, Ascorbic Acid method   Replacement Reagents - HI736-25 Phosphorus ULR Replacement Reagents   Which is better to test for, Phosphate or Phosphorus? Want to find out - Click Here   …

    $42.46 Regular Price: $49.95

    …levels. Calcium Kit includes: * 75 tests * Analytical grade glass vials * Easy-to-use, high precision Titrator * Affordable reagent refills   Red Sea produces a line of kits they call the Reef Foundation kits including Calcium, Alkalinity and Magnesium.…

    $31.49 Regular Price: $34.99

    …method. The reaction between ammonia and reagents causes a yellow tint in the sample. Auto shut off after 10 minutes of non-use.   Dedicated to a single parameter Two sample cuvettes and caps. One bottle of reagent A and one of reagent B.   Small Size, Big…

    $42.46 Regular Price: $49.95

    …like the repeatable results and ability to purchase replacement reagents when needed. The biggest key with Hanna checkers is keeping the vials nice and clean for consistent results.   Uses Hanna HI772-26 liquid reagents Three simple steps to results. The Hanna Alkalinity Checker…

    $42.46 Regular Price: $49.95

    …Features * calibrated dropper made by a German manufacturer ensures uniform drops during all repeat tests * reagents are made in Germany in accordance with EN ISO 9001 * reagents are analyzed according to AAS and NIST standards * strict batch and quality control * easy to…

    $19.99 Regular Price: $

    Phosphate reagent refills for the easy to use, handheld Hanna Phosphate Checker.  * Enough reagent for 25 tests.

    $7.65 Regular Price: $9.00
    Out of Stock

    …help prevent algae outbreaks. Phosphate Kit includes: * 100 tests * Easy-to-use, colorimetric comparator * Affordable reagent refills   Red Sea produces an algae management line of test kits including nitrate and phosphate test kits. Providing…

    $38.69 Regular Price: $42.99

    …Checker®HC easily fits into the palm of your hand or pocket. Use for quick and accurate on the spot analysis. Single button operation: Zero and Measure Operated by a single AAA battery.   Replacement Reagents - HI758-26 Calcium Checker Reagents    Instructions

    $42.46 Regular Price: $49.95

    …The reaction between the chlorine and DPD reagent causes a pink tint in the sample. Auto shut off after 10 minutes of non-use.     Dedicated to a single parameter Two sample cuvettes and caps. Six packets of reagents for total chlorine ultra-low range   …

    $42.46 Regular Price: $49.95

    Reagent refill for Red Sea Alkalinity Pro Test Kit. Enough reagent for 75 tests. Red Sea reagent refills make this line of test kits one of the most affordable high quality test kits available.

    $16.19 Regular Price: $17.99

    …After 10 minutes of non-use and after read * Dimensions: 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5") * Weight: 64 g (2.25 oz.) * Method: Colorimetric method   Replacement Reagents -  HI772-26 Alkalinity Checker Reagents   Instructions: Click Here

    $42.46 Regular Price: $49.95

    Reagent refill for Red Sea Nitrate Pro Test Kit. Enough reagent for 100 tests. Red Sea reagent refills make this line of test kits one of the most affordable high quality test kits available.

    $21.59 Regular Price: $23.99

    …kit.   Note: Calcium Test kit is rated for 50-100 tests. The actual number of tests a kit will deliver varies based on calcium levels and the amount of reagent required to reach the endpoint of the test, but we have typically gotten about 50 tests with common reef tank calcium levels.

    $15.99 Regular Price: $18.81

    …Alkalinity test kits * 75 Magnesium test kits * Analytical grade glass vials * Easy-to-use, high precision Titrator * Affordable reagent refills   Red Sea Reef Foundation Pro Multi Test Kit Contents Test NameElement# of…

    $53.99 Regular Price: $59.99

    …81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5") * Weight: 64 g (2.25 oz.) * Method: Adaptation of EPA Diazotization method 354.1   Replacement Reagents - HI764-25 Nitrate ULR Replacement Reagents   HI764 Nitrite Ultra Low Range Colorimeter Manufacturer's Manual

    $42.46 Regular Price: $49.95

    …Iodine Pro Kit includes 50 tests. Easy to use colorimetric comparator. High quality and reliability. Affordable reagent refills.   Kit Includes: 50 tests Test Type: Colorimetric comparator Accuracy: 0.01 ppm Range: 0-0.09 ppm Affordable reagent refills

    $38.69 Regular Price: $42.99

    …automated system for the proper dosing of supplements, maintaining them at consistent levels. The included 2-month reagent kit means that you are set for the first month and a half after the initial calibration of the trident, and replacement reagents are very reasonably priced.   

    $989.91 Regular Price: $1,099.90
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    Reagent refill for Red Sea Magnesium Pro Test Kit. Enough reagent for 75 tests. Red Sea reagent refills make this line of test kits one of the most affordable high quality test kits available.

    $16.19 Regular Price: $17.99

    …Magnesium Kit includes: * 100 tests * Analytical grade glass vials * Easy-to-use, high precision Titrator * Affordable reagent refills.   Red Sea produces a line of kits they call the Reef Foundation kits including Calcium, Alkalinity and Magnesium.…

    $31.49 Regular Price: $34.99

    …Uses Hanna HI774-25 reagent refills   What's Included * HI774 Checker * 2 sample cuvettes with caps * ULR Reagent for 10 tests * battery * instructions * quick start guide * 1 year limited warranty   Reagent Refills - Hanna…

    $42.46 Regular Price: $49.95
    Out of Stock

    …Titration Total Number of Tests - 78-100 (depending on reagent volume required per test)   What's Included? 1x 3mL Syringe 1x 1mL Syringe 1x Syringe Tip 1x Test Vail 1x Reagent A-KH 1x Reagent B-KH 1x Reference Solution 1x Instruction…

    $11.69 Regular Price: $12.99

    …instrumentation. Accurate, affordable and easy to use. First, zero the instrument with your water sample. Next, remove sample and add reagent. Last, re-insert sample into the Hanna Alkalinity Fresh Water Checker, press the button and read the results. Done.   Features *…

    $42.46 Regular Price: $49.95

    …Hanna Checker HI713 Phosphate Low Range for fresh and marine water (saltwater). * Contains Standard A, Standard B and 1 Packet 713-25 Reagent* * Follow instructions in packaging * Acceptable results must be between 0.92 and 1.08 ppm at 25°C *Attention: 1.00 ppm…

    $10.20 Regular Price: $12.00

    Keep your GHL KH Director running with reagent refills. It is important to maintain your reagent bottle to ensure that air does not get sucked up into the dosing lines during a test. We like to always keep a second bottle of reagent on-hand and refill the original bottle that is connected to the 2.1…

    $18.81 Regular Price: $20.90
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    Reagent refill for Red Sea Potassium Pro Test Kit. Enough reagent for 40 tests. Red Sea reagent refills make this line of test kits one of the most affordable high quality test kits available. Reagent refill for Red Sea Potassium Pro Test Kit. Enough reagent for 40 tests. Red Sea reagent

    $25.19 Regular Price: $27.99
    Out of Stock