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Re: [APD] Re: New Planted aquarium owner needs some advice :-)

> Here's a very good article on DIY CO2 that should help you make the
> most of it:
> http://www.qsl.net/w2wdx/aquaria/diyco2.html
> --
> Chuck Huffine
> Knoxville, Tennessee

There is 1 paragraph in there that I think applies very well.


To prevent wide fluctuations in pH over the life of your mixtures it is
important to make sure the buffering capacity of your tank is high enough.
This is determined by measuring the carbonate hardness of your tank water.
This is refered to as your waters kH. A good kH for most planted tanks is
around 6dkH. This will ensure your pH doesn't swing to abruptly over the
life span of your mixture.


It would seem my kh will be very low and a test kit is definitely called

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