Supernatural Brand Nutrients are pH buffered. Meaning that they require little to no pH adjustment. They will adjust the pH for you. When you mix Supernatural Nutrients they are made to start on the more acidic side. And as the acidic nutrients are being absorbed the pH will start to rise.So typically Gro and Bloom terra will start at about 5.8-5.9 and then rise up to about 6.3 as the more acidic nutrients are absorbed. And the Gro and Bloom Aqua are buffered lower for hydroponics. Once mixed, the come out around 5.5-5.8.Having this range will benefit your plants greatly, because nutrients are absorbed at different pH levels. This is the basis of pH buffering, is to have your nutrients absorbed throughout a range of pH.Below is a chart that helps explain nutrient absorption at different pH levels.
When you MIGHT have to adjust your pH
If you’re adding a whole bunch of additives, you may have to adjust your pH. If you use Supernatural additives you will be fine, and you won’t have to adjust your pH. But if you add other nutrient lines additives, we aren’t sure what it will do to your pH. Keep in mind, Supernatural is a One Part, so you shouldn’t be adding a bunch of other additives anyway.
What if my pH is really high?
If you pH coming out of the tap, or after Reverse Osmosis is still about 8.0, we suggest that you using pH down and adjust your water to 7.0, then mix Supernatural Brand Nutrients. Certain minerals will not dissolve in when the water is too alkaline. So it best to first pH your water to 7.0 then mix.
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