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Thread: How Many ppm is Okay?

  1. #9
    Jag's Avatar
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    Quote Originally Posted by uphwiz View Post
    ...my tap is at 30 ppm to 35 ppm, but i only use it in a pinch when the rain barrel goes too low .
    wow lucky. My tap water is at 238 ppm.... Gesh you are very lucky. 3 yrs ago I used to water from tap until I saw adverse effects on my plants! That's when I didn't know much about CP's.
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    Jesse

  2. #10
    Nep'tard Chris_Himself's Avatar
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    Quote Originally Posted by Clue View Post
    16 ppm... lucky you.

    Here the water is really hard; I wish we had water like that.
    I think our water is like 200ppm. Stopped my sarr's from growing for 2 months before I figured that out. I thought the constant watering from the sprinklers every night in my townhouse complex would balance out the hardness but I've been wrong before and it's all a part of learning.

  3. #11
    caesium's Avatar
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    Like what others have said, 16 ppm is good. However, some salts are probably worse for some plants than others. Likewise, some cp's are better at tolerating minerals in the water than even some "normal" plants. The tap water where I live in LA is hard enough to walk on, and while the magnolias and Japanese maples show salt damage by mid summer, my neps will take it for at least two years. I repot them after that, so I'm not sure how much they can take exactly.
    Madag ki alilid

    Naruwan

  4. #12
    billylh's Avatar
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    i took a tip from a friend when i was in houston and started to test water my sarrs with tap water which was around 300-350ppm, for me as long as the pots werent in a tray or saucer and i watered everyday it worked perfectly, didnt notice any problems, but as soon as they were put in a tray they stopped growing and started to decline.

    ~billy

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