10-04-2010, 11:49 PM
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Originally Posted by mozart531
It should have 0 hardness though, right? Hardness is due to the dissolved ions, and the water is de-ionized. If I can lower the hardness of the water with a 50/50 mix of tap and DI water, the pH should also decrease because the buffering capacity of the water decreased. At least, that's my theory. I haven't had to deal with hard water and high pH before because the tap at my old place was just about 7.0 with a relatively low hardness.
Hardness is a buffering system though... its not all ions all the time. Though in theory as you remove the ions the buffer should for more ions until it is depleted or reduced considerably. Simple test on the DI water should tell you wants in it. But like I said their is nothing wrong with your current water. I use straight well water w/ ph of 7.6 and it is moderately hard. I unintentionally spawned locally bred GBR in it before and that water was two weeks old.