My 2 week old seedlings are growing really slow! when should i start giving them nutes? i gave 1 of them some foxfarms grow big just to see what itd do and its huge now, well way bigger than the other ones.

what lights, soil, etc? cant say without all the information.

wouldnt be using nutes at all yet personally.

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CHECK MY PROFILE FOR BUBBLICIOUS FIRST GROW.....

You usually want to hold off on nuts for 3 or so weeks because seedlings are pretty sensitive towards the nut burn etc. There are so many variables in a grow that just saying "my seedlings wont grow" won't be able to get you any definitive answers. Give us better idea what your grow is like. Indoor? Outdoor? Soiless mix? CFLs? MH? HPS? Etc....

some good advice here. my plant is just about 3 weeks old and im not giving them nutes yet.

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My First Grow : http://www.rollitup.org/newbie-centr...irst-grow.html

They might just be putting most of their energy into building a root system. I usually have a week or two of slow growth right about then until they explode with life. I have some. But I also would not give them nutes until they are established in veg.

Do you know what your PH numbers are? Both what you are giving them and what the run off is??

I've got some seedlings going and have been giving them ±300ppm with PH @ 6.4 from the git go.

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I put the FU in Fun

No idea what the ph is because i dont have a tester. I just bought some potting soil, planted the seeds in that, and took 1 week to sprout!!!!!! it seems to have no soil in the mix just realyl groud up bark but the mix is black so im not sure and it said its organic with no fertilisers they are now 3 weeks old and about 3" tall with there 3rd set of leaves why are they growing so slow? im growing outdoors they get full sunlight etc

oh and im using foxfarms grow big for veg

and tiger bloom big bloom for flowering.

Are you growing outdoors, like right now? Ummm, are you in the southern hemisphere?

If you are growing outdoors....short answer would be for me to say, take the risk of shock and transplant them indoors.

If you are in the southern hemisphere, then you are planting a bit too soon, wait until you are like 60-65 days before the solstice, whatever that day works out to be. Nice clones/seedlings put into the ground 2 months before solstice would be the way I'd do it.

At this point in time, you could be giving them a small taste of the nutes... 200~250ppm of some nice 6.4.4.

Of course, without knowing what your ph is, you are literally flying in the dark. If your ph is above 7, there is very little chance the seedling will be able to uptake anything (it is what we call nute lockout)... PH pens are cheap, get one and some calibration solution.

Use plain white vinegar for ph down and baking soda for ph up

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I put the FU in Fun

im growing outdoors here in (australia) and how much do the ph pens cost? its been 3 weeks and they have barley grown they still only have there second set of leafs and are only 4cm tall