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  #1  
Old 10-12-2010, 10:59 AM
TheGentleOne TheGentleOne is offline
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Join Date: Oct 2010
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Deep Water Culture (with pics)
Default Deep Water Culture (with pics)

Greetings Orchid Board members,

I have been silently stalking this board for a few months, greedily consuming all of the wonderful advise posted. But now in my first post, I shall relate my experience to you.

Two orchids are now under my unlikely care. I say unlikely because I am hardly a plant enthusiast. Really, the only reason I own orchids is because my green thumbed mother gifted them to me.

Keeping my orchids alive in this environment has been a struggle from day one. My office is as dry as a bone and almost as dark as a moonlit night. My first phal struggled mainly due to the low light; its leaves were deep forest green as it struggled to soak up as much light as it could from the indirect roof mounted florescent light. Thanks to this forum, i recognized the signs and remedied the problem by placing two 100 watt equivalent 5000k CFL with reflectors on either side of the plant. ($15 total)

However, the phal, now with two sources of light each a foot away, now received too much light. The leaves gradually started developing red spots. Again, i stalked this forum and a suggestion of an electronic timer was found. The lights now operated on a 12/12 day/night cycle and the leaf color improved. ($7)

Everything went well for a time, then I noticed that the leaves were slowly beginning to become flaccid and wilt. I repotted to fresh bark and the roots were in bad condition. Most were rotted but repotting helped alot. It slowly improved and the root structure regrew only to deteriorate again. Apparently I suck at watering orchids so I investigated Deep Water Culture.

The results with DWC have been excellent. The phal was removed from the bark and placed in a glass vase full of water. I used a small aquarium pump with an air stone to aerate the water and kept the water level to just above the base of the lowest leaf by topping it off every 3 days or so. Within a week, the leaves became turgid. The new leaf forming looks very healthy and is growing faster than any leaf before it. Today i moved my second orchid into the same vase with hopes of similar success. ($8)

Here are some pics:



Feel free to ask any questions. I thank all of you for helping my with my plants.

Regards,
-TheGentleOne
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  #2  
Old 10-12-2010, 03:11 PM
Jennyfleur Jennyfleur is offline
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Join Date: Aug 2010
Location: Mersea Island, Essex
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Deep Water Culture (with pics) Female
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and welcome officially to OB. I think we've all skirted around the edges for a while before joining. Also, looking at your 'origin flag', you come from a fantastic part of the world

Congratulations on your perseverance and finding something that works for your growing conditions! I've never used (or needed to use) anything like this before, but, if you're getting healthy new growths, the plant obviously doesn't mind and I look forward to seeing some updates if you get some flower spikes
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  #3  
Old 10-12-2010, 05:12 PM
Masdyman Masdyman is offline
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Hello & Welcome , an interesting one this , i suppose the remaining living roots will take in the water as the velamen is constantly wet so acting like a sponge ,but what happens when a sponge has absorbed all it can ,the sponge drips .So my only worry would be that the roots can only hold so much water and rot with time . Unless they only carry water like a vein carries blood .
Keep us updated .
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  #4  
Old 10-12-2010, 05:46 PM
Brotherly Monkey Brotherly Monkey is offline
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in most DWC set-ups the plants are immersed in a nutrient solution, not plain water.

So how are you currently fertilizing?


PS from a cosmetic perspective, did you ever consider adding some type of medium to hide the air stone?

Last edited by Brotherly Monkey; 10-12-2010 at 05:49 PM..
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  #5  
Old 10-12-2010, 07:41 PM
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Gin Gin is offline
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I have a half barrel pond in the green house with a pump water is spilled out of a large shell . Had an ascocenda outside it looked dehydrated. I put it in the pond in a short time it plumped out it is still in the pond no rotted roots .. I will be removing it soon .. There was a grower Vengers Orchids now closed ,they grew a lot of their plants in water culture ..
Water Culture

Last edited by Gin; 10-12-2010 at 11:56 PM..
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  #6  
Old 10-12-2010, 08:09 PM
Zoi2 Zoi2 is offline
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Hello and welcome to the OB.
You might want to put a bit of fertilizer in the water, they will grow faster. Good rescue!
Joann
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  #7  
Old 10-12-2010, 08:24 PM
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Cewal Cewal is offline
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Welcome, and thanks for sharing your very interesting setup with us. Please show us updates as your ochids grow.
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Minda
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  #8  
Old 10-12-2010, 10:52 PM
silken silken is offline
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Welcome! I wonder if the moving air keeps the water from stagnating and the roots from rotting. I too will be curious to see how this pans out over time. Good luck!
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  #9  
Old 10-13-2010, 08:52 AM
RosieC RosieC is offline
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Welcome to Orchid Board.

I would expect that over time the roots would rot but I may be wrong. I've heard of water culture being used short term to rescue rootless phals, but I'm not sure of it's success long term.

I think the air pump is a good move as it is able to do well long term then plenty of air in the water is a must.

Good luck and keep us updated.
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  #10  
Old 10-13-2010, 09:52 AM
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Tindomul Tindomul is offline
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Hi, Welcome to the Orchid Boar. Glad you joined us.

Phals must have an aquatic plant ancestor, hehe. I have a Phal hybrid NOID that was never happy until I put it in my betta fish bowl. The roots are surrounded by algae and new roots are constantly growing in the water. Half the root mass is not in the water though, so that may be how the plant is aerating its roots. As for fertilizer, I can not add chemicals to my betta fish, so the only ferts it gets are betta food and betta poops.
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