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The reagent is identical to what you received in your Reef Foundation kit, it is just a larger volume to allow for more tests. Most likely the reagents you may have had were getting old and possibly slightly contaminated from air contact. If you have another test kit or LFS to give you a second opinion on the different readings that would be preferred to know which result is accurate. However with magnesium in the range of 1280 – 1400 is totally fine and no ill effects should be noticed in the aquarium.
If you feel that something is not right with the reagent refill, just reach out to us at firstname.lastname@example.org or 763-432-9691 and we would be more than happy to help you out.
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Excellent By Aquatics 25 on 3/27/2016Aquatics 25 would recommend this product to a friendVery noticeable change color, no guessing. Love I only have to buy refills.
Red Sea accuracy By JT on 2/9/2016JT would recommend this product to a friendLike this kit for its accuracy and like the refill kits instead of having to buy a whole new kit.
red sea magnesium pro test kit By Chuck on 9/29/2015Chuck would recommend this product to a friendI really like using this kit. It is a lot easier than the other one I used.
Nice option By jarrod0987 on 7/28/2015jarrod0987 would recommend this product to a friendI like the test and I love that you can refill it. That makes it much cheaper to test.
I'm happy with it. By Dave on 6/19/2015Dave would recommend this product to a friendThe color changes abruptly, enabling you to make accurate measurements.
Very Pleased By juschillin2 on 6/7/2015juschillin2 would recommend this product to a friendI have been using this product for almost a year now. I have used others, but this is the most accurate. My tank and I depend on it!
It is especially nice that you can get the regent refills instead of having to purchase a whole new kit! Remember to rotate your componants to use older first.
Best MG test kit. By Brian on 3/30/2015Brian would recommend this product to a friendThe Red Sea MG test kit is the best on the market. You can't beat the accuracy nor the price for the refills.
The best mg test kit out there By David on 10/25/2013David would recommend this product to a friendBy far the most accurate mg test kit on the market for hobbiest use.
it's all about timing By Ryan on 8/22/2013Ryan would recommend this product to a friendyou have to follow the directions exactly in order for it to work. Add a drop then swish for 15 seconds then add the next, repeat 5 times.
Great price By Miguel on 4/23/2012Miguel would recommend this product to a friendLove this product..was affraid of having to pay so much juay for refills, but then I saw thier prices...great!