Question on making 4dKH solution for Co2 Indicator (shortcut?) - The Planted Tank Forum
 
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post #1 of 2 (permalink) Old 02-21-2008, 08:24 PM Thread Starter
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Question on making 4dKH solution for Co2 Indicator (shortcut?)

Just read the articles and instructions on making a 4dkh solution on the web (by using baking soda, and big jug of distilled water...etc)
But then I don't want to have to do all the measuring and make so 3-4 liter...(+ i have no baking soda at home...)

Can I just mix distilled water with my tank water to get a 4dkh solution and use it for the drop checker? (I have the API KH test kit, how accurate is it btw?)
I know this will probably be less accurate solution than 4dKH, but would it be very off or maybe just 10-20% off?
My tank water is about 6KH last time I checked, so I probably have a mix of 2 part tank water + 1 part distilled water.
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post #2 of 2 (permalink) Old 02-21-2008, 08:30 PM
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Seriously, if you're not going to make the solution properly, either don't bother at all or buy it from someone that has made it properly.

Accuracy is of utmost importance for the drop checker to function properly. If that accuracy is thrown out the window you're defeating the entire purpose of the drop checker (which is to be more accurate than just testing the tank water KH & pH).

http://liquidarthome.net/khstandard

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