kH, gH, api test kit, i need help - The Planted Tank Forum
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post #1 of 3 (permalink) Old 01-31-2008, 07:59 PM Thread Starter
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kH, gH, api test kit, i need help

Ok, i got 12 drops of kH to turn it yellow, 22 drops of gH to turn it green, and i don't understand the chart to figure out whatever i need to figure out. also my pH is 7.6 or so. i need to test with High pH kit. Orange County CA tap water. Ammonia was 0. all pre-prime water.

anyone interpret my gH and kH numbers and inform me how to interpret them? appreciated

if i want 50-100 ppm, what am i looking for in hardness #s?
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post #2 of 3 (permalink) Old 01-31-2008, 08:32 PM
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Each drop from the test kit is 1 german degree of hardness

Your GH is 22 dGH
Your KH is 12 dKH

To convert from german degrees to ppm just multiply by 17.9
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post #3 of 3 (permalink) Old 01-31-2008, 09:54 PM
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sounds like very hard water to me!
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