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Does KH play a role on any plants besides the Toninas? My KH is about 9 what does that fall into the catagory of? Medium or hard? I thought i read somewhere that Amano likes to have high KH is his tanks. His green brighty is Potassium corbonate right?
 

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Shane,

KH has more to do with the CO2 and pH balancing of growing plants. GH is what affects plants more directly. The Calcium and Magnesium pathways in some plants can't handle high amounts of either, which is why plants like Tonina seem to do better in really soft water GH wise.

Best,
Phil
 
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