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Thread: Why do virtually all experts...

  1. #1

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    Why do virtually all experts water their CPs from the bottom up?

    To me, this defies logic.

    Mother Nature doesn't routinely ooze and bubble up H2O from the bowels of the earth and furthermore; based on everything I have learned, CPs require good aeration.

    Would not watering from above provide the requisite oxygenation these plants so desperately need to thrive?

    Watering from below is nothing but wicking and I just don't think the capillary action would provide any added oxygen. Well, come to think of it watering from below would increase the relative humidity around the plant but a decent sized pea gravel tray filled with water does the same thing.

    Which brings me to the next question. What does it matter what type of water goes into the pea gravel tray underneath the plants? We've all been using only distilled water to fill the trays but I question this practice when somebody has to lug all that bottled water up 3 flights of stairs into that classroom. So far the somebody lugging up all that water has been me.

    I do exclusively use either rain water or distilled water to water my plants and the school does too. This I understand and am not contesting.

  2. #2
    Tropical Fish Enthusiast jimscott's Avatar
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    Tamlin waters from the top.

  3. #3
    SirKristoff is a poopiehead Ozzy's Avatar
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    The ground that most cp grows in are sandy. This ground acts as a sponge, holding a tremendous amout of rain. Almost all the cp's that don't grow in sandy soil, grows in bogs. On top of these bogs are layers of spagn. moss. The cp's grows in this moss. The moss and the sand pulls holds moitures so the roots are always wet. So the tray method is our best way to duplicate this. If you're like me and don't have alot of time to water plants everyday, this is a good way to manage your time so you can keep more plants. Also with some small species, like some sundews, it's hard to water from the top without damageing the plants.

  4. #4
    Metal King
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    EDIT- man do I type slow, Ozzy beat me to it with his more succinct post of nearly the same content.....
    I kinda do both and it works okay.... not nearly an "expert" or anything.... the bottom watered "tray method" is likely so popular thanks to the fact that maintaining the wet-ness of the growing medium could be nearly impossible without constant supervision otherwise..... if you have your Drosera collection in a tray and something happens so's you can't water it one day, you don't have to worry so much, especially when the plabts are tiny... one really good dry-out would wipe out my whole collection (at the moment) so the bottom watered tray is a good insurance policy....
    Also, top watering can make unwanted channels in the medium , can blast the dew off of 'dews and could even prove fatal to tiny seedlings... I washed a few out of existence once and have been much more careful since that sad day ....
    Da Growlist

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  5. #5
    herenorthere's Avatar
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    I keep Sarrs in trays too, but fill the trays by watering the pots.
    Bruce in CT

    Madness is something rare in individuals but in groups, parties, peoples, ages it is the rule. Friedrich Nietzsche

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    There are plenty of experts who water plants from top. It just depends on the species mostly. Like I water all my Dionaea's from the top as long with the Sarracenia's and some of the hardier types. Though, it is hard to water VFT's at times since their traps close sometimes (Especially my Regal Red, which ALL 12 traps closed at the same time while I watered overhead). To keep LFS growing good I water them overhead. Many people keep their Darlingtonia's cool to by watering overhead. It's just a matter of preference and specie type.
    Hope this helps,
    Peter
    I thought you people where \"Plant Geeks\", Look at me Now...

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  7. #7

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    This makes sense to me, "top watering can make unwanted channels in the medium, can blast the dew off of 'dews and could even prove fatal to tiny seedlings... " I did have to reposition the one little Drosera I have and did start watering it from below.

    But... my little plant is in a pot that rests in a drip tray which is placed on a pebble tray filled with water. There is no risk of the water in the pebble tray getting into the drip tray and mixing where I have been watering the plant with rain water. Seems as if there is a consensus out there that the water in the pebble tray should be either the rain water or the distilled water also. Why?

  8. #8

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    As long as the waters don't mix there is no need to use r/o or distilled water.
    I thought you people where \"Plant Geeks\", Look at me Now...

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