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jennifro

Using API KH test for Alkalinity

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jennifro   

So I finally bought my test kits. From what people here told me I got the API KH test kit to test alkalinity. Do you just go off the same chart for KH to tell the alkalinity level? Is KH just another way of saying alkalinity? I just want to be sure I am doing it right!

 

Thanks!

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colberag   

KH stands for carbonate hardness, which is basically the measure of calcium carbonate and bicarbonate in the water. And yes KH is the measure for alkalinity.

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L34NN3   

Its a drop by drop test. You count the drops till the colour change (blue to yellow) then read off the scale in the instructions. But basically 8 drops = 8 dkh, just use the scale if you want mq*** whatever the unit is....

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jennifro   

Thanks you guys. I knew it was pretty much the same test. I just remembered some one saying that there was a conversion from KH to alkalinity. I just wanted to check.

 

Thanks for the help. I am off to test...

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colberag   

Just to clarify what I said earlier - dKH, meq/L, and ppm (KH/GH) are three different units for an alkalinity measurement. The conversion is: 1 meq/l = 2.8 dKH = 50 ppm CaCO3

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