Alkalinity Colorimeter HI755 Hanna Checker - Marine Water

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Alkalinity Colorimeter HI755 Hanna Checker - Marine Water

99% Recommend this to a friend (156 of 157)

SKU: 206201

reg. $49.99

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Quick Overview

Why does BRS recommend this?


The Hanna Alkalinity checker is an awesome little tool that will give you accurate easy to read results.  If you have bad eyes or have a hard time with titration test kits, the digital read out on the Hanna checkers is super nice and easy to read.  The biggest key with Hanna checkers is keeping the vials nice and clean for consistent results.  The Hanna Alkalinity Checker does give readings in Parts per Million, which can easily be converted to DKH or meq/L.


Three simple steps to results. The Hanna Alkalinity Checker 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, add the reagent. Last, place the vial into the Hanna Alkalinity Checker, press the button and read the results. Done.

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Product Questions

Does this product come with the alkalinity reagent?
Question by: Alexander on Nov 26, 2013 3:12:00 PM
Hi Alexander,
Yes the checker comes with reagents for about 25 tests.
Answer by: Bulk Reef Supply on Nov 26, 2013 3:12:00 PM

Full Details

Easier to use and more accurate than chemical test kits

Adaptation of Standard Method 4500-P E Accuracy 4% ±0.04 ppm (mg/L) of reading 0.04 ppm (mg/L) resolution (250 points) Large, easy to read digits Auto shut-off.

Dedicated to a single parameter

Designed to work with HANNA's liquid reagents. Uses 10 mL glass cuvettes.

Small Size, Big Convenience

Weighing a mere 65 g (2.3 oz.), the 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.

 

  • Range: 0.00 to 300 ppm (mg/L)
  • Resolution: 1 ppm (mg/L)
  • Precision: ±5% of reading ±5% ppm @ 25°C
  • Light Source: LED @ 610 nm
  • Light Detector: Silicon photocell
  • Environment: 0 to 50°C (32 to 122°F); RH max 95% non-condensing
  • Battery Type: (1) 1.5V AAA
  • Auto-off: 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

 

Instructions:

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Reviews

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  • great product By Jason on 1/25/2016

    Super easy and always accurate.
  • No more guessing color. By Reefdoc on 1/16/2016

    Works great! Takes the guess work out of alkalinity testing. This is my first hanna checker and now I'm going to be replacing my other testing slowly with Hanna checkers.
  • Easy and Precise By John on 1/16/2016

    I had been using the Red Sea Foundations test kit, which I think are one of the better test kits, but this Hanna Checker is fantastic. It is very easy and I love the precise reading. I also bought the Calcium checker.
  • Easy to use just follow instructions By Jeff on 1/13/2016

    I am trying to be a much better aquarium keeper starting this year 2016. Had my water tested and both alkalinity and PH were low. using a Reef Buffer 8.3 to raise the PH and Alkalinity and this meter help to know parameters so that you don't shock the fish as your trying. Much better then counting drops like the other testers.
  • Great product and easy to use By jsbull on 1/2/2016

    You put tank water in the vial and push the button. Then add 1ml of regent, invert the vial a couple of times and push the button again. Can't be easier and it does give more exact results than the API style test kits.
  • Great By Eric on 12/27/2015

    Its fairly quick and very accurate. Only downside is having to clean the glass bottles after using. But it makes up for it.
  • Perfect! By ducannn on 12/21/2015

    Accurate, easy to use, affordable. What more can I say.
  • easy By tim on 12/20/2015

    very easy to use
  • Much easier than I expected By Olliesshop on 12/19/2015

    I'm very pleased for how easy and quick it is compared to the titration method I have been using. I also like that it won't turn off for 10 minutes vs. 3 minutes for the phosphate Hanna Checker.
  • Best Alk Tester By Matt on 12/19/2015

    I get identical results to the Red Sea Pro Alk test but Hanna is much easier to use.
  • Excellent tool!! By Robin on 12/15/2015

    Very easy to use and accurate. Also had a problem reading the red sea test kit. Had to estimate color. Worth the price.
  • Perfection By Zach on 12/14/2015

    I couldn't possibly love this thing more, consistent, easy to use and I don't have to worry about messing up with my horrible ability to differentiate colors.

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