help, what am i doing wrong?

kbar87July 5, 2014

This is day 3 of my grow and my cherry tomato plant looks like its about to die. What am i doing wrong?

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73dave

Can you tell us a little more ? Is this a DWC system ?

How about your nutrients and ph ? Do you have an air

stone ? What is the water level in the tub ?

    Bookmark   July 5, 2014 at 2:30PM
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kbar87

DWC, air stone, ph is about 6. I drained some water out so that there is only a half inch of water in the bottom of the cups

    Bookmark   July 5, 2014 at 3:30PM
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hex2006

The plant will need time to convert its root system over to hydro, i`m guessing it was growing in soil until 3 days ago.

    Bookmark   July 5, 2014 at 7:58PM
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73dave

OK, good. The roots should only be partly in the water.
As the other poster said it may be transplant shock.
Your nutrient EC or PPM is OK ? Not too high or low ?

    Bookmark   July 5, 2014 at 8:07PM
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kbar87

nutrients are good, so most likely it is transplant shock my other 2 plants are looking like this, So what should i do?

    Bookmark   July 6, 2014 at 11:13AM
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kbar87

Should I shade it from the sun for a few days?

    Bookmark   July 6, 2014 at 11:14AM
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hex2006

Dont give it full sun until its root system is established. A proper netpot would be better than a cup with holes in the bottom, ideally you want the water level just below the net pot, the idea is the bubbles from the airstone will burst at the surface and keep the hydroton in the netpot uniformly damp. A cup with closed sides doesnt work the same way :)

    Bookmark   July 6, 2014 at 11:55AM
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kbar87

so buy net pot, hydroton and new plants and start over?

    Bookmark   July 6, 2014 at 3:29PM
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hex2006

You could perforate the cup to simulate a netpot, what kind of medium is in the cup? its not easy to tell from the pic.

    Bookmark   July 6, 2014 at 7:09PM
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kbar87

pea gravel

    Bookmark   July 7, 2014 at 9:58PM
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hex2006

I have some toms in big planters filled with pea gravel and it works fine.Mine get watered from the top using runoff from the other setups. The holes in the cup will need to be fairly small to prevent the gravel falling out so i`d put as many holes in the cup as you can manage. Havng holes just in the bottom will be quite restrictive from an aeration/flow-through point of view compared to a normal netpot.

    Bookmark   July 8, 2014 at 6:50AM
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grizzman

Another concern with just putting holes in the cup is: are there enough and are they big enough the root system can grow out of them?

    Bookmark   July 8, 2014 at 10:17AM
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hex2006

Another option it is to use a chunk of pool noodle for the plant and ditch the cup and gravel altogether.

    Bookmark   July 8, 2014 at 11:29AM
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kbar87

I got net pots and and hydroton, so I'm starting over now. Can you elaborate on the the pool noodle? Just put the plant in the center hole of the noodle? Will rain affect my solution and water level? I live in mississippi and we're getting into hurricane season.

    Bookmark   July 18, 2014 at 1:05PM
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hex2006

Pool noodle cut into 1"-1.5" sections, punch a hole in the middle with a screwdriver, make a cut with sharp scissors from the outside edge to the hole so you can open the disk to get the plant stem in.
The noodles here are around 67mm diameter, the holes in the system lid want to be 54mm so the noodle gets a good grip.

Rain will dilute the res but i`d be more worried about the plants (and system) being blown away :)
If you have any toms in soil you can take cuttings from you`ll save yourself a bit of time. The cuttings will root in around 4-5 days in a glass of water.

This post was edited by hex2006 on Fri, Jul 18, 14 at 15:29

    Bookmark   July 18, 2014 at 3:02PM
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kbar87

Should My roots look this color?
This is my cucumber plant i just transplanted it about a week ago? They were white when I transplanted it, Is this just transplant shock?

    Bookmark   July 20, 2014 at 3:42PM
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grizzman

The brown ones are dead roots (or dying). There are new white ones though.
How does the plant itself look?
If all your plants in the tub have roots that long make sure there is a gap between the bottom of the net pots and the top of the nutrient. That is the area where the plant will develop air roots.
Also, how big is the airstone in your system?

    Bookmark   July 22, 2014 at 7:55AM
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kbar87

I changed to 2 10in and 1 5 inch stone, the other plants roots arent long enough to hang out of the net pots yet

    Bookmark   July 23, 2014 at 5:36PM
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