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  #1  
Old 02-27-2009, 08:56 PM
steve fedyk steve fedyk is offline
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I just bought a new KH test kit yesterday,My old one is about 8 mounths old and says 1 drop = 1 KH. The new one says 1 drop= .5 KH.
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Old 02-27-2009, 09:01 PM
themastr themastr is offline
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Default Thanks for all the information guys

I will see if i can figure it out. Just got a used one with my tank setup so it never came with a manual. I will test later.

thanks
erick
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Old 03-02-2009, 05:26 PM
themastr themastr is offline
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Default Calcium and Magnesium Elos test

Hey Guys

Can someone tell me the calcium test kit procedure along with Magnesium? I have and A, B (powder) C reagents but don't know how many drops to add of A or C.

any help would be great

thanks
erick
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  #4  
Old 03-02-2009, 05:44 PM
chandigz chandigz is offline
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For magnesium 3 ml water, 9 drops A, shake, small spoon 0.15 B(powder), shake, count drops of C till color change, For old kit multiply times 100, newer kit multiply times 75
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  #5  
Old 03-02-2009, 05:53 PM
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untamed untamed is offline
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Quote:
Originally Posted by chandigz View Post
For magnesium 3 ml water, 9 drops A, shake, small spoon 0.15 B(powder), shake, count drops of C till color change, For old kit multiply times 100, newer kit multiply times 75
Wow...your Mg kit is completely different than mine in how it works!
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400 gal reef. Established April, 2007. 3 Sequence Dart, RM12-4 skimmer, 2 x OM4Ways, Yellow Tang, Maroon Clown (pair), Blonde Naso Tang, Vlamingi Tang, Foxface Rabbit, Unicorn Tang, 2 Pakistani Butterflies and a few coral gobies

My Tank: http://www.canreef.com/vbulletin/showthread.php?t=28436
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Old 03-02-2009, 05:52 PM
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The ELOS Mg kit is relatively complicated compared to most. You really do two separate tests, then apply some math to get your answer.

Test 1:
Take a 3ml water sample and titrate using Part A until colour changes from red-orange to green. Count the drops. (for me, this is typically about 33-35 drops)

Test 2:
Clean/rinse the test vial; Take a new 3ml water sample.
Add 5 drops of Part B. Mix 30 seconds
Add one small spoonful (.15ml) of Part C powder. Mix shortly.
Titrate using Part D until you see colour change from pink-violet to light-blue. Count the drops. (for me, this is typically about 5-6 drops)

Math:
Subtract the # of drops in Test 2, from the # of drops on Test 1...and multiply by 50 to get your answer in ppm Mg. (34-5) = 29; 29x50 = 1450ppm
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400 gal reef. Established April, 2007. 3 Sequence Dart, RM12-4 skimmer, 2 x OM4Ways, Yellow Tang, Maroon Clown (pair), Blonde Naso Tang, Vlamingi Tang, Foxface Rabbit, Unicorn Tang, 2 Pakistani Butterflies and a few coral gobies

My Tank: http://www.canreef.com/vbulletin/showthread.php?t=28436
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Old 03-02-2009, 06:02 PM
chandigz chandigz is offline
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I must have a different version of the elos Mg test kit. Mine only has A,B,C, (no D). It was purchased about 6 months ago.
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