The Planted Tank Forum - View Single Post - Need help with Hagen Kh/Gh test
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post #1 of (permalink) Old 10-18-2006, 04:07 AM Thread Starter
Algae Grower
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Join Date: Oct 2006
Location: Winnipeg, Manitoba, Canada
Posts: 127
Need help with Hagen Kh/Gh test

I hate these stupid color tests.

I am doing the Kh test, and your supposed to add a single drop of reagent, and then add a drop at a time until your solution turns from blue to "yellow/lime" color.

On the back, where you are supposed to match the color, its got a blue square for start, and a yellow square for finish. At 8 drops my water turns from blue to a greenish color, and at 10 drops its the yellow on the back, so what is my Kh?

Anyone who uses this tests please give me some insight as to what is accurate.

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