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Thread: Minerals in Water?

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    "Oh, now he's a philosophizer" Baylorguy's Avatar
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    Minerals in Water?

    I need some help troubleshooting something. I have an RO system... and when water goes through it, it comes out at about 10 ppm. I have been using it in the trays outside for my giant mini bogs. I took the reading this morning and all 3 ranged from 50 ppm to 75 ppm. Any ideas what could have caused this spike?

    Phil

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    zlookup's Avatar
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    perhaps its leaching it out of the media? you could try rinsing the media first and then seeing if that makes a difference...
    --------
    z

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    does this rag smell like chloroform to you? boxofrain's Avatar
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    out of the RO unit?

    sounds like your filter is full, the RO membrane can be ready for changing. They do not last forever, and the worse your water is, the less life they have.
    Folks around here are getting two years plus on the membranes for their reef tank water changes. Also, depending on your water costs if it matters, as the membrane clogs, there will be more waste water that simply goes down the drain.

    If out of the bogs...the first post would be correct...leaching from the media.

    Bog on Garth!
    "the memories of a man in his old age, are the deeds of a man in his prime"

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    zlookup's Avatar
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    hmm, was the original post about the RO water already in the tray spiking or the RO water coming out of the unit i had thought the former.. if not.. probably go with what boxofrain stated..
    --------
    z

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    "Oh, now he's a philosophizer" Baylorguy's Avatar
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    My RO system is 2 months old... the water is fine coming out of the system (10ppm). I am asking what could cause that same water to spike to 50-75 ppm in trays outside over the course of a few weeks.

    Phil

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    zlookup's Avatar
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    whats the media comprised of? do you rinse it before hand? do you have a sprinkler system that might be spraying hardened water into it perhaps?
    --------
    z

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    does this rag smell like chloroform to you? boxofrain's Avatar
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    leaching is your answer. All orgnic matter breaks down over time, and that stuff ends up in the water.
    If the plants are doing well with what is happening, they are probably fine. Most plants can adjust a small amount of tolerance for the conditions we provide.
    "the memories of a man in his old age, are the deeds of a man in his prime"

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    Admin- I'm growing CPs in the Desert of Tucson, Az. adnedarn's Avatar
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    It could be leaching minerals from your media... But also take into consideration if you are tray watering you are putting in water that has 10ppm of minerals. When the water evaporates, those minerals are left behind. Then next time you add 10ppm water, that adds to the minerals that were left behind previously... Over time this number will rise. You can take the plants out of the tray and rinse it out, you may want to top water a little bit to rinse out the pots as well while you are at it. I'm not sure I'd be worried at 75ppm though. Not yet Maybe I'll run out and check some water in my Sarr. trays... I've not rinsed them in a loong time :X
    Hope all is well Phil!
    Andrew

    ---------- Post added at 09:11 AM ---------- Previous post was at 08:25 AM ----------

    Hmm... my ro is about 14ppm and one of my Sarr trays is reading 38ppm, and I cannot recall the last time I took all of the pots out of it and rinsed it. Maybe yours is having dust blow into it adding to the tds? I'm lost. Sorry bud.
    Andrew

    Edit:
    Or maybe the green stuff that randomly shows up in my trays consumes the TDS and that's why it ultimately ends up dying off... once it has consumed all the TDS lol
    Last edited by adnedarn; 03-19-2011 at 09:21 AM.
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