seedling slowww help me... cant figure out

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eggfhead

Active Member

• Sep 4, 2009

• #1

shivaskunk sensi seeds..

fox farm ocean soil + ~ 30% perlite .

rain water (ph ~6.5)

germed well. but they have been around two weeks and it just seems really small

temp 75~85

humid is ~50 most time.

aircooled hps600w about 3ft away right now(18/6)..

air ventelated well, fan blowing to the leafs

no nutes yet,

i dont spray over the leaf...

what would be the problem of those yellow spots on plant 1?

why are these growing so slow...? they have been almost 3weeks.

 

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BadDog40

Well-Known Member

• Sep 4, 2009

• #2

There is a definite nutrient issue here which is either PH lockout or there is simply no nutrients, has the soil been used before? If it were me I would start with a very low dose of nutrients and see if there is any improvement.

 

CanadianBacon

Member

• Sep 5, 2009

• #3

thats too much nutrients for sure just burnin those roots

 

SHAWTYBANGBANG

Well-Known Member

• Sep 5, 2009

• #4

aren't hps' used for flowering... might need some thing in blue spec

 

SHAWTYBANGBANG

Well-Known Member

• Sep 5, 2009

• #5

some cfls,leds,floros,MH

 

BadDog40

Well-Known Member

• Sep 5, 2009

• #6

CanadianBacon said:

thats too much nutrients for sure just burnin those roots

Click to expand...

It does look like burn but he said he hasnt added any nutes and its in soil, fox farm nonetheless. But yea, looking closer they are burning.

 

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eggfhead

Active Member

• Sep 5, 2009

• #7

but i havnt been using anything other than water... (rain water ph was ~ 6.5)

i germinated them and seeded them into THIS PIC(whatever its called)

today i had to move it to soil because of of the root showed on the bottom..

i see other three week plants MUCH bigger...

just cant figure out what went wwrong..

how can i fix those yellow spots?

 

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newb19547

Well-Known Member

• Sep 5, 2009

• #8

I've heard FF soil isn't good for starting/transplanting seedlings in.......cause it burns 'em up.

 

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eggfhead

Active Member

• Sep 5, 2009

• #9

yellow spots happend right before i transplanted them ..

could it really be light burn.

could HPS really be doing this? 3 ft away?? level of plant is ~80F

 

newb19547

Well-Known Member

• Sep 5, 2009

• #10

maybe this can help? http://www.greenmanspage.com/guides/tables.html

 

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vinnytool

Active Member

• Sep 5, 2009

• #11

yellow spots are from hot spots on the plant. slow growth is most likely yo much water...
Your leaves are starting to droop.

let the soil dry ALOT. get a moister meter and make sure its dry to the bottom. I bet after it drys a bit and then water and do this over a weeks time. Your plant will shoot up.

 

newb19547

Well-Known Member

• Sep 5, 2009

• #12

I've noticed that also. My little ones like to be BONE dry before I water them.....even still sometimes it seems they get over watered.

 

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eggfhead

Active Member

• Sep 5, 2009

• #13

thank you thank you.. moved them ft away from the light.
will water less ..

yellow spots are still there in a plant. should i move em back to CFL for 24hrs along with others or keep it in the HPS for 18/6.

just didnt want to shock the plant by going back to 24hrs.

 

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southernsmoke23

Active Member

• Sep 5, 2009

• #14

What kind of light you got those babies under?

 

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jollytime

Well-Known Member

• Sep 5, 2009

• #15

three feet is along way for your seedlings See how the third one had to reach for the light. It is air cooled and probable should be MH lighting. But it will do. You got pleanty of fert advice