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Hydroponic drained nutrients used for NFT(lettuce)

Posted by Atish Mauritius (My Page) on
Fri, Apr 19, 13 at 10:21

Hi all,
I have a greenhouse where i plant tomatoes in cocopeat.I'll be doing an experiment whereby i'll be collecting the drained nutrients from the tomatoes in a barrel and pumping it to my lettuce which will be in 80mm PVC in netcups with cocopeat.
I am just guessing that that EC,PH will not affect the lettuce much.Hopefully the NFT system works.
The only issue i might be having would be algae formation in the nutrient barrel.
I have constructed a support system made of wood shown in the picture.(5 layers)-The support for the PVC pipes is still unfinished and messy!
I'll be more than grateful to hear about suggestions and recommendations.
Love from Mauritius


Follow-Up Postings:

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RE: Hydroponic drained nutrients used for NFT(lettuce)

This sounds like a great experiment. I am always looking for things to do with the expended nutrients.

I either dilute and adds as a foliar spray or simply dump on the raw compost pile(s).

Please keep us posted!

Here is a link that might be useful: My Indoor Growing Adventure


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RE: Hydroponic drained nutrients used for NFT(lettuce)

thanks halfway for the follow up.
Nearly finished the placing the PVC pipes and now waiting for my icebergs to get bigger to put them in!


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RE: Hydroponic drained nutrients used for NFT(lettuce)

these are the lettuces!!they are healthy and clean!
I've decided to add Batavia Lettuce as well..and I can't wait for these to become bigger to transfer them in the NFT system!these will be grown outdoors and we are approaching winter here in Mauritius.I am getting some difficulty in finding netcups here and i'll do a slight modification to this problem by using plastic cups where i'll be drilling holes in them.


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RE: Hydroponic drained nutrients used for NFT(lettuce)

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FIRST I HAVE A QUESTION. How far apart are the Lettuce Holes in the NFT Pipes????

I am Growing Tomatoes in a Dutch Bucket system. Tomatoes are Heavy feeder. I like to change my Reservoir no less than every 2 weeks. It seem to me to be a waste to throw that good Nutrient water away. At present time I water my soil grown Shrubs & Trees with that water.

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RE: Hydroponic drained nutrients used for NFT(lettuce)

@ Ricone
there is 30 cm between each hole.
,you can put the leftover nutrient in a reservoir like mine shown in the picture and use a pump to pump it to the PVC pipes like mine.


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RE: Hydroponic drained nutrients used for NFT(lettuce)

some of the plants have grown quite well..ec 1200-1400


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RE: Hydroponic drained nutrients used for NFT(lettuce)

Nice and healthy roots!
i drilled a few holes in the plastic cup for the roots to develop.


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RE: Hydroponic drained nutrients used for NFT(lettuce)

i've put some directly in the water stream without the cups


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RE: Hydroponic drained nutrients used for NFT(lettuce)

these are the beautiful roots!!a real beauty!!


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RE: Hydroponic drained nutrients used for NFT(lettuce)

one of the lettuces!


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RE: Hydroponic drained nutrients used for NFT(lettuce)

niceeeeeeeee!!


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RE: Hydroponic drained nutrients used for NFT(lettuce)

Hi
nice pics and thanks for describing all these.
I am also new to this and would like to start. But it is quite strange that the government is trying to promote these type of system but net cups are not available at all in the country??
I have also tried to find but without any luck.
Does someone know where net cups are available in this country??

Thanks


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RE: Hydroponic drained nutrients used for NFT(lettuce)

@ laval Make little incisions like myself in rs1 plastic cups available everywhere


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