To feed or not to feed

I had these plants in party cups for 4 weeks before they started showing any sign of def. I put them in 3 gallon pots of FFOF and they're growing 1/2"-1" a day right now with no signs of def.

The reason I ask is that I haven't watered in 10 days, and they're dry over 3" deep in the soil. So I'm wondering if I should give them a small amount of Grow Big at 1/8-1/4 strength, mainly cause if I don't have to water for 10 more day(or even a week) I'd rather not have them be deficient in that time span...but also not to burn them.

Any thoughts?

Yeah man add a 1/4 strenght nutes and you should be fine. If you say that you had them for four weeks definately add nutes.... and then take it from there

I agree with bestbuds-add those nutes and your babies will do even better!

Alrighty, I'll give them 1/4 strength today. I'm always afraid of nute burn so I try not to feed till I see the plant needs it. FFOF seems to hold them well for a while. We'll see!