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How do you raise or lower PPM?

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Old 02-05-2009, 06:08 AM
ppm ppm is offline
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Default How do you raise or lower PPM?

How do you raise or lower PPM?

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Old 02-05-2009, 06:09 AM
Ron Ron is offline
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By adding more nutrient solution you raise the PPM which stands for (parts per million)
It will usually say on the nutrient bottle how much to add to raise your solution to a certain PPM level.
Add just water to bring the PPM down and don't forget to adjust the pH after you add solution or water.

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