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During the hot summers, I put water tanks under the end of the AC water runoff pipes of the building. Most of the water is otherwise wasted, and I save lots of water when I irrigate. Recently, I've been (in the last two years) into tropical plants, a dramatic shift from strictly succulents and fruit garden. I still tend my succulents and fruit trees, and ...


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It is essentially pure water but has absorbed gases from air . The only gas that has an affect in this situation is CO2. It dissolves and makes carbonic acid, I forget the pH, it may be about 4. The acidic nature of the water makes little difference to plants if they are in soil. The buffering affect of soil, particularly calcium, overwhelms the tiny ...


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