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Keeping your reservoir pH balanced with RO water can be a little tricky. Due to its very low ppm, RO water is prone to dramatic fluctuations when nutrients are added, or even just from exposure to air -- that's why we formulated PH Osmosis/Stabilizer. pH Stabilizer provides the perfect blend of minerals to RO water so it stabilizes pH while not causing any unwanted chemistry. After adding it, you can implement other nutrients without worrying about drastic changes in pH. While some growers use CalMag as a “band-aid” buffer for RO water, it only keeps the pH stable for around 2 days and often includes nitrogen, which you don’t want around during the flowering stage. pH Osmosis/Stabilizer maintains pH stability for up to 10 days, with only trace amounts of nitrogen and much less potential for nutrient lockout.
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