Yellowing nodes in 9 week clones, 1 week into flower, specs n pics included

+GROWTH · Jun 14, 2009

Yellowing Nodes please help!! Here R the Facts MAN!

specs:

CO2
None, cannot afford at the moment and even if i could not sure where to get a tank? this the problem?

Lighting
1000 watt hps, plants are 2.5' out in all directions of the aircooled hood and 2.5' down

Plant distance from lamp
2.5' from light (aircooled, have tried to get closer but plants wll curl up and burn, so i try to keep at this height)

Air Circulation
Large box fan in air tight sealed onto the window, have 3 6" ducts sucking air thru. 1 oscilating fan running over the plants. Just added one more non oscilating fan yesterday kicking more air just above the nodes or slightly into the nodes.

Nutrients ( started adding koolbloom yesterday
Davids Base (0-7-4), Davids Grow (2.8-0-0) and Davids Bloom (0-10-10). Flooding from top about an hour a day with hydro clay, change water every three days, flush every third day.

Soilles hydro
Hydro clay

Base
strict 5.5 - 6.0

Any help turning these babies green would be greatly appreciated, time is short! bongsmilie

Hubert · Jun 14, 2009

Yellowing is pretty standard for the first couple of weeks of flower, your plants are using up the nitrogen in the soil to stretch. No need to worry too much, it'll start at the bottom and work it's way up the plants over the next couple of weeks. For an easy, and cheap nitrogen boost worm castings work great.

+GROWTH · Jun 14, 2009

Yes but this is happening from the top in the center of all the nodes on the plant, regardless if they are on the top or bottem, otherwise very green elsewhere.

Hubert said:
Yellowing is pretty standard for the first couple of weeks of flower, your plants are using up the nitrogen in the soil to stretch. No need to worry too much, it'll start at the bottom and work it's way up the plants over the next couple of weeks. For an easy, and cheap nitrogen boost worm castings work great.

Hubert · Jun 14, 2009

+GROWTH said:
Yes but this is happening from the top in the center of all the nodes on the plant, regardless if they are on the top or bottem, otherwise very green elsewhere.

Would you desribe the yellowing as...

Spotty patches on the new(er) growth

or...

Complete yellowing of new(er) growth

and...

Are the stems turning colour as well?

+GROWTH · Jun 21, 2009

Thanks 4 getting to me Hubert. It ended up being an Iron / Sulfur deficeincy, I resolved the problem in about 4 days. I dropped sum nails in a gallon of water along with sum epson salt to rust out the nails. When the water was good and rusty, I sprayed my plants at lights out for a few nights in a row. I also added epson salt, one tablespoon per gallon to my resivoir.. top feeding. cheers

Yellowing nodes in 9 week clones, 1 week into flower, specs n pics included

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