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I'm afraid that is incorrect or I am misunderstanding you.
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Well I am not a chemist, and I am sure you are correct. But the way I read the question it sounded like StrangGuy was asking if he got
nutrients that were pH buffed, would that mean there was no need to buy any pH adjusters because the buffers would always keep the nutrients at the right pH level.
I use the flora series nutrients from GH (with pH buffers), and RO water. The water pH fluctuates between about 4.5 to 7, and I almost always need to adjust the pH a little to the desired 6.0 (broccoli 6.5) after I add the nutrients, and let it run for about 30 min before checking it. I'm not real picky as long as it is close I'm good. But even though the nutrients are pH buffed I still need to adjust them to the right level. I thought that was more or less what the question was asking.