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Test Results way too high By Bob on 9/12/12
Bob wouldn't recommend this product to a friend
I've used this Ca Checker for several weeks now and can only conclude that it consistently measures the Ca concentration at least 100 ppm too high. I was really hopeful for this instrument but very disappointed. Going back to my Salifert kit that I can believe and trust.
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Works for me By Christopher on 9/1/12
Christopher would recommend this product to a friend
I just got this the other night and although I will agree it is a bit hard to measure out some of the steps, it does work and the reading was up to par with my other test kit. Only time will tell.
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Highly recommend. By BRIAN on 8/30/12
BRIAN would recommend this product to a friend
The Hanna calcium checker has worked great for me. I always get consistent results. It's simple to use with just a few steps to follow. No more trying to guess colors. Just make sure you have some fresh RO water on hand to use with the test.
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Do Not Buy By Robert on 7/21/12
Robert wouldn't recommend this product to a friend
I cannot believe Bulk Reef Supplies sells this product. It is horribly inaccurate. I bought this tester and wish I did a search on the internet before I did. Like myself, many others find this tester to be a total waste of money. It simply does not give accurate measurements of your tanks Ca levels.
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Not That Great.... By Derrick on 7/7/12
Derrick wouldn't recommend this product to a friend
So I have the phosphate and alkalinity checker from hanna and both are wonderful. Easy to use and accurate. The Calcium checker on the other hand is VERY difficult to use and usually the numbers are not even close. I think you need to have lab grade RO water and a specific instrument to measure the .1 ml of water. Hanna needs to make this easier to use somehow. My salifert and red sea test kits are so easy to use I would recommend those over this unit.
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Terrible product By Francisco on 7/6/12
Francisco wouldn't recommend this product to a friend
Be smart, due diligence and read the reviews posted here. In its present state, this tester is not reliable enough to rely on. Distilled water?? Powder?? .1 ml ?? Go Salifert or Elos and be done with it.
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Not so precise! By Benjamin on 6/18/12
Benjamin wouldn't recommend this product to a friend
Every time i test and retest using the same water sample I obtain different results.
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Meh By Ben on 5/30/12
Ben wouldn't recommend this product to a friend
It's innaccurate. It works, but it's innaccurate. And I've done research in genetic labs, its NOT the user on this one...
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Test kit By robert on 5/14/12
robert would recommend this product to a friend
With API test kit I got 420 with this 442 for the cost diffrence I would have stayed with the API kit,
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Good kit, but very time consuming By Laura on 5/3/12
Laura would recommend this product to a friend
I found tat the API calcium test was less time consuming, and pretty effective. I won't reach for this kit as often as I thought I would.
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Great tester, but testing is time consuming. By Laura on 5/3/12
Laura would recommend this product to a friend
I found that I prefer the API calcium test kit because it had less steps, and was reliable.
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This is a good tester By thomas on 4/22/12
thomas would recommend this product to a friend
I see lots of reviews on the challeges of using this tester but is not that hard at all just follow the instructions and you will have accurate instant results. throw out that color matching junk and get with the new world of digital readouts