Diy 3dkh solution? - The Planted Tank Forum
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post #1 of 3 (permalink) Old 12-23-2015, 02:27 AM Thread Starter
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Thumbs up Diy 3dkh solution?

So ive been searching the internet for a diy 3dkh solution. I have already bought the actual glass checker but i wanna make a diy solution. I have a 10 gal moderately planted.

So this is all i found online.

You will need:
1 gallon of distliled water
Baking soda
API ph normal range ph solution
and a small scoop.

Now i only need to know how to make it.

Any suggestions?
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post #2 of 3 (permalink) Old 12-23-2015, 01:10 PM
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Im going to assume this is for a drop checker and you miswrote 3dkh and suppose to be 4dkh?

heres a pretty good vid explaining how to make 4dkh.

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post #3 of 3 (permalink) Old 12-24-2015, 12:51 AM
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Here are the instructions:

Most people use 4 dkH, but if you want to use 3 dkH or 5 dkH, it is possible as well. The solution (when bromothymol blue is added) will turn green at a lower and higher CO2 concentration, respectively.

To make the 3 (or 5) dkH reference solutions, dilute as required from the 40 dkH stock solution you prepare.


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