difference between kh and gh

[penguinpimp1990]

whats the difference between kh and gh? i know one is general hardness and one is carbonate hardness but whats the difference?

 

[Opcn]

Edit: If you look at the pinned topics you will find out awefully quickly.

http/www.fishforums.net/index.php?showtopic=59467

Its right at the to of the page in Tropical Chit Chat

 

[penguinpimp1990]

also when i look up a fish to put in my tank it says "kH: 6-10" what does that mean?