Elos Calcium Aqua Test Kit

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Elos Calcium Aqua Test Kit

100% Recommend this to a friend (11 of 11)

SKU: 205140

reg. $29.99

Special Price: $24.99



1-3 day service on orders over $249

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Quick Overview

Elos Calcium kit provides precise testing and low risk reagents. Product validated using NIST samples and independent seawater lab. RealColor technology used to calibrate color chart for accuracy. Kit contains 50+ tests depending on Calcium levels.

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Full Details

Keeping proper water quality in our aquarium is a fundamental step toward a healthy tank. To properly monitor your water quality you need an accurate and reliable set of test kits.

All Elos test kits include:

  • Calibrated lab droppers: the accuracy of a titrimetric test kit is, in fact, strictly related to the precision of the drop size.

  • RealColor technology: the precision of a colorimetric test kit is strictly related to the precision of the color chart. In these test we use an accurate system to calibrate the color chart compared to the reagents.

  • The validation of each batch of reagents through the use of NIST (National Institute of Standard and Technology) certified samples.

  • The strict control of the supply and storage chain: test kit reagents are very delicate, their accuracy is significantly influenced by storage. For this reason we keep our stock strictly under control and we suggest, to all our retailers, to do the same.

  • The use of Lab Quality reagents: to grant a constant, precise result like only professional products may permit. Not only are the reagents included in all Elos test kits precise but we use non-toxic reagents whenever possible.


  • High quality system: one powder reagent and two liquids!

  • Standard sensibility: 25 ppm of Calcium ions.

  • NIST validation: each batch is validated using NIST (National Institute of Standard and Technology) samples

  • "C" reagent available as separate sales unit

  • High number of test per kit: up to 40-50 test depending on Ca level

  • "Safe reagents": reagents and testing procedures are based on Low Risk Reagents. None of our test kit are based on Toxic Reagents


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11 Items

  • Elos that should say enough By hans on 10/17/2013

    You have to love Elos products. Not one complaint here. Very accurate.
  • Accurate By jack on 11/28/2012

    This test makes monitoring your CA easy. I love the quick reference guide. And with Elos, you know the quality and accuracy is there.
  • Easy to read and use By Adam on 2/9/2012

    Very easy to read and use. Test was simple and did not take long. I felt it was accurate.
  • Excellent Product By JBJ on 12/20/2011

    I have used the Salifert Ca test kit for years. Two things have always bothered me. First, I never felt that I could consistently use the scoop and get the same amount of reagent for Part A. Second, the dropper for Part B was very hard to use and inconsistent. It took a lot of pressure to squeeze and the drop sizes did not seem to be the same. Sometimes I would get an extra drop because I had to squeeze so hard, and would then have to start the test over again. Because of these two factors, I was never certain I had the proper reagent mix.

    The Elos test kit corrects both of these problems. The spoon for the powdered reagent is much better. Similarly, the dropper bottles make consistent drops, and are easy to squeeze. I am a little disappointed that you can only tell your Ca level to the nearest ten points, but that is close enough in all reality.

    Will use this product from now on
  • My preferred calcium test kit! By Nate on 9/6/2011

    Go with Elos and you won't regret it. I;ve used many kits in the past (Salifert, API, Lamotte) to test for calcium and this is my favorite. Highly accurate droppers, high contrast titration color change, and the ability to choose 50 ppm or 10 ppm increments make this a winner in my humble opinion.
  • Easy and Accurate By Nathan on 7/15/2011

    Kit is easy to use and easy to replicate results. Also has dropper bottles that seem to work better than other kits.
  • Excellent By Jim on 6/24/2011

    The best I ever used. Very precise and easy to use. Color changes very easy to see during testing. I like that you can do an exact reading or a general range too.
  • Very Accurate By Brant on 6/17/2011

    These test kits might be a little more spendy then others but as long as you follow the multiple steps they are very accurate and color change very precise.
  • Easy to use By Frank on 4/14/2011

    This is my first Ca test kit. There are several steps to obtain the proper readings. The test kit is very straight forward and easy to use as long as you follow the directions. Color changes are distinct. Well worth knowing what your Ca levels are.
  • It has a couple extra steps but is accurate By Shawn on 12/8/2010

    If you want to know your exact calcium reading you cannot beat this kit. goes on a scale of 10 and the color change is very distinct. There are 4 parts to the kit, a lot more than the API and such but it is worth it.
  • Great kit By Corey on 12/2/2010

    Great test kit and very accurate. I use Elos Ca test kit after getting false reading from other brands. I'm very happy to get accurate results over and over. Can't beat the price.