Vegetation Chamber Woes

I have recently purchased a SuperCloset and I am a newbie at hydroponics. My supercloset contains a cloning chamber and a vegetation chamber. I seem to have mastered the cloning chamber but after moving my beautiful tomato plants to the vegetation chamber problems arise. In the vegetation chamber I adjust the ph levels but 1-2 days later the ph has become too high. I readjust the levels but is it normal for the ph to change so quickly and without adding anything?

Also, the leaves of my young tomato plants start yellowing and browning. The roots contain either a grayish sediment or mold that wipes off easily. The temperature in the vegetation chamber is approx 72 degrees F. I change the water weekly but these problems persist. I am afraid to move my fresh batch of tomato plants from the cloning chamber to the vegetation chamber without some kind of advice. Anything that I can try to fix this problem would be helpful.

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Answer from Stella/Simon:
Dear Newbie,

There's a lot of variables that could be causing the pH problem, and I really have no suggestion to fix that. Just try to stay on top of the pH and adjust as needed.

As far as the yellowing and grey on the roots, these symptoms point to lack of circulation of fresh air. What kind of exhaust system do you have? Mold/fungus tend to take hold when there's too much humidity; when fresh air is not drawn in on a regular basis. Are you leaving the fan on at night when the lights are out? If not, you should try this.

You might also find more information on this page:

Common Plant Diseases

Hope this helps!

***Do you have any knowledge on this subject? Then please join in and leave your thoughts and suggestions below. Help and be helped in the Forums!

Comments for Vegetation Chamber Woes

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Mar 06, 2011
Update on my "Woes"
by: Anonymous

I have been checking & adjusting the ph of my veggy chamber daily since I posted my question & my tomato plants seem to be much happier. I have also been spraying the foliage with water in the a.m. since the humidity reads only 20%. I'm still not sure about the "sediment/mold" in the water but it's not on the roots anymore (???). I'm getting a new air pump for better circulation & hopefully it will keep the water fresher... I'm calling these my trial & error plants.

How do I increase humidity? I'm at 20% but the books I have been reading say tomato plants should be at least 40% humidity with a 78 degree F temp.
I have a water pump, when should I start to use it?

Thanks
Raven

Mar 23, 2011
the best help is helping yourself....
by: Anonymous

Well, my vegetation chamber woes have come to an end. I have fixed my own problems with books, trial, error, & a little common sense. I purchased a small room humidifier & added it to my super closet, I replaced my air pump, turned on my water pump, & continue to check the ph levels every couple of days. My tomato plants are looking great! Homegrown tomatoes during spring...sounds like a yummy treat to my hard work!

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