how long can you go without adding nutrients if using Fox Farm soil

Hi.

I have 6 plants in my tent. They are all in 3 gallon fabric pots. I am now on day 42 from seed. I vegged for 38 days and switched them 4 days ago, so we are 4 days into flower. The plants look gorgeous, and I have only been giving them water. Should I start with the fox farm nutes or not? Its my second grow, so obviously i am a beginner but i guess my question is, can you just let them keep going until you see a deficiency? i'd hate to introduce nutes now and burn them, etc etc etc.

Thanks in advance for your time. Attached are some pics i took tonight. I have no clue what kind of plants they are, the seeds were just bag seeds.

Jonas

Ocean forest ??

I have the exact same question ? growing a Joint Doctor Chronic Ryder auto in fox farm happy frog with 25%perlite added, been in a 3gallon pot from seed now at 3 weeks old, so wait for the plant to show deficiency or start feeding before that?

I'd start giving them the FF nutes. I'm on my first grow with FFOF soil and ff trio nutes. The tiger bloom IMO is really mild. If your plants are healthy, don't worry, go ahead and feed them. I started out with half strength for couple of feedings to see what happened. Now full strength of their chart

I'm using ffof, ffhf ,perilite ewc ,d lime , mycos ........ I don't feed at all in veg and only once every three weeks or so . Five gallon pots . My plants are beautiful, great bud development, no deficiencies. And when I do feed it at 1/2 strength + cal mag . Also forgot about the Epsom salt .

Here's mine straight FFOF soil and trio nutes. 23 days in 12/12 . Fox farm has worked flawlessly for me

If you vegged in those 3 gallons then you might want to keep a very close eye during the first 2-3 weeks of flip.

The only other thing I added was some calmag. Mainly because I use r.o. water

Mroutdoors said:

Here's mine straight FFOF soil and trio nutes. 23 days in 12/12 . Fox farm has worked flawlessly for me

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Nice grow and nice fxr

SPLFreak808 said:

If you vegged in those 3 gallons then you might want to keep a very close eye during the first 2-3 weeks of flip.

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Newbie question but why the need to keep a close I on them during the first couple weeks of Veg ? what should he be looking for /

skunkfish1 said:

Newbie question but why the need to keep a close I on them during the first couple weeks of Veg ? what should he be looking for /

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My guess what he meant by that is if he vegged in those pots, the soil would be more depleted of nutes than if he has just transplanted them into those pots with fresh soil. he'd be looking for the leaves getting lighter in color, meaning they can use some food.

I think you can safely go a month from last transplant with FFOF soil without nutes. If you are using their trio nutes for a whole grow cycle you need to know that their schedule is too aggressive for some strains, and you will benefit from producing a healthy run off once a week to keep salts from building up. Personally, I think their trio is a rip off.

A friend of mine took two seeds and buried them in his backyard and watered them and just let them be. He only watered them when necessary and grow some damn good pot. No nutrients no special care just water alone. I thinking that when spring comes that I’ll do a couple that way as well and see what happens.

Davmalk said:

A friend of mine took two seeds and buried them in his backyard and watered them and just let them be. He only watered them when necessary and grow some damn good pot. No nutrients no special care just water alone. I thinking that when spring comes that I’ll do a couple that way as well and see what happens.

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Consider how much soil an outdoor plant has access to compared to a potted one and that explains the need for little or no nutes.

A better experiment is to grow one out in a pot with water only. You can then truly say you know what under nuted looks like. At least that's what it did for me many moons ago

skunkfish1 said:

Newbie question but why the need to keep a close I on them during the first couple weeks of Veg ? what should he be looking for /

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No, first 2-3 weeks of 12/12 can eat alot of nitrogen.

thank you for all the replys

i will introduce the nutes the next time i give them water, but i will not go full dose and will ease them in

None of us will be able to give you a definitive answer. It is completely dependent upon your environment (light, temps, HVAC, dehu VS humidifier, CO2, circulation, ...), strain, plant health, maturity, "User's" knowledge/experience/ability, etc. In short, plant metabolism and your ability to manipulate it.

Everything leaning towards the low end, you won't need to add anything to FFOF, veg threw bloom. Everything optimal, you won't transplant/water w/o amendments/nutrients.

JONAS STODART said:

i will introduce the nutes the next time i give them water, but i will not go full dose and will ease them in

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Smart man, that's the way to do it. Make sure you test your water pH too.

This plant was vegged in FFOF +30% perlite with nothing but water. Fresh transplant and week later was flipped. I started trio first week of flower even with transplant. I started with 3/4tspn+.5tsp+.5tspn per gallon. First two feedings with bonide rot stop for calcium since i was out calmag. 2Nd week i upped to 1.5tspn+1spn+1tspn per gallon. Shes just starting week three and she has been looking good.