The Planted Tank Forum - View Single Post - adjusting ph by mixing well water and RO
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post #6 of (permalink) Old 08-01-2003, 10:20 PM
Doesn't like Kool-Aid
Momotaro's Avatar
Join Date: Feb 2003
Location: Hawthorne, New Jersey
Posts: 10,125
I do just about the same thing, mixing RO and tap water. Out of the tap my pH is about 8.2, a wee bit high for my taste. My tap / RO mix brings my pH to 7.2 and my KH to 4. I then inject CO2 and bring the pH down to 6.8.
Since you are using DIY CO2 injection, not pressurized, how do you plan on using a pH controller? You need a regulator and solenoid to run a controller.


Bumping your KH up a wee bit might not be a bad idea.

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