this post was submitted on 12 Dec 2025
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Houseplants
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He has a hydroponic set up. The way that typically works is to start with distilled water and add nutes to that. If the pH is off you can have all the nutrients in there you want but the plant can't take them in. By adjusting pH and measuring dissolved particles the grower can target certain nutrients for uptake at specific parts of the growing process and measure their uptake. Of course he could do all of this with tap water but it's way easier to start with a blank slate and that is how most of the guides are written.