47 Carbonate Hardness (KH) Kit
Description
This article is from the Beginning Fishkeeping FAQ, by Thomas Narten with numerous contributions by others.
47 Carbonate Hardness (KH) Kit
This kit is not critical to have. By regularly monitoring the pH, you
can figure out whether your KH is ``high enough''. That is, the KH
should be high enough that your pH stays stable over time. If you have
trouble keeping the pH stable, you may want to increase your tank's
buffering capacity. Your local fish store may be able to give you
sufficient information as to your KH value. Alternatively, call your
water utility.
A KH kit is, however, indispensable to plant enthusiasts who use CO2
injection. It is also strongly recommended that you get one if you
want to change the pH of your water, and it is a very useful
diagnostic tool if you are experiencing pH stability problems.
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