Aqua Man
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So here is what you do. Use RO water and add 75ppm of ph up, this will create a buffer. Then add 100ppm of cal mag. That will bring you to 175ppm. Then add 250ppm of nutrients. This will bring you to 425. Then ph down to 5.6 this will create a ph stable nutrient mix with appropriate nutrients and your ph should rise about 0.2 a day when the plant recovers.ppm is same, botanicare ph up/down when needed, add back is just RO