Alkalinity Test Kit - LaMotte

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  • The LaMotte Alkalinity Test Kit

Alkalinity Test Kit - LaMotte

100% Recommend this to a friend (5 of 5)

SKU: 207104

reg. $35.99

Special Price: $30.59

In Stock: 36
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Quick Overview

Why does BRS recommend this?

The LaMotte Alkalinity test is the only titration alkalinity test we have found that gives a color chart with a starting point color, end point, and a past end point color.  Most tests will show you the start and finish colors you should obtain.  There is always a lot of question if the titration has gone too far which LaMotte has a supplied solution for by showing a past end point color which leads to very consistent results.

Lab-quality testing kit. LaMotte produces high quality test kits and is amongst the most trusted names in testing across any industry. Unique reagent tabs and contamination resistant liquid reagent result in easy to read, trustworthy results. The LaMotte Alkalinity test kit includes 50 tests.

Test reads in ppm. 50 ppm = 1meg/l , 17.85 = 1 DKH


Full Details

LaMotte Alkalinity Kits use titrations with standard acid to the phenolphthalein (P) and/or total (T) alkalinity endpoint. Where hydroxyl (OH) alkalinity is determined directly, the sample is pretreated with barium to precipitate carbonates. All results are expressed as CaCO3.


LaMotte Alkalinity Test Kit Contents:

Order Code

Test System


# of Tests

4491-DR WAT-DR

Total Alkalinity Direct Reading Titrator

0–200 ppm/4ppm as CaCO3

50 at 200 ppm (2)


5 Items

  • Best test kit I've used By William on 11/13/2017

    I've tried a number of alkalinity test kits (hanna checker, red sea pro, saliferite) and this is definitely my favorites. The titration color changes are easier to distinguish and I've been getting consistent results across the board using this test kit. Word of advice though, be sure to check and replace reagents when they reach their expiration date. I kept using mine for about a year after they expired and noticed that they slowly start to give me lower results. When I replaced reagents and compared the old reagents were giving me consistently lower results than the new reagents.
  • Excelent product By Greg on 3/29/2017

    This test kit is so easy to use . There is a start point color , end point color and a you have gone too far color. There is also a pill instead of drops for the first color change . Refills are also very affordable.
  • Easy to read By Mike on 1/28/2015

    This is the easiest to read test kit I've ever used (having also tried API, Salifert and Red Sea). My first time with Lamotte and I will certainly be trying the other kits they have to offer.
  • Excellent By Reefer on 2/6/2012

    Compared to the other kits it is expensive but after the initial purchase refill kits are about the same as the rest. Accurate and easy to use. Comes in a plastic case with foam inserts as compared to a cardboard box and a ziplock.
  • Best titration alkalinity kit available By Fishbulb on 1/12/2011

    I used to own this product awhile back and I am really glad to see BRS carrying it. It is leagues above other alkalinity test kits in terms of its quality, consistency, and ease of use. One thing that makes this test so easy to use, is that the dispensing syringe inserts into the testing chamber and you can easily swirl the testing sample as you continue to add reagent. The number of tests you can run of course varies with your total alkalinity (as with any titration kit), but it is very generous. You will not be disappointed with this kit.



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