how to tell if its under fertilized?

I've learned the hard way about overfertilization, now how do ya tell if its not getting enough.Without an ec pen or anyother gadgets just by reading your plant? thanks guys

the leaves will turn yellowish/ whiteish color

pale leaves and slow growth

heh thats whats going on with my one plant i got budding, i havent transplanted it in about 2 months, and ive been giving all my plants straight water for the last month or so, leaves are turning white but its ok cause i was worried about over fertalizing all my other plants in veg, its always better safe then sorry, im now giving it a real light mix of water and batguano and it should be fine since its almost half way through the flowering stage. it isnt getting much taller than 4 ft but i abused this poor girl "my first plant" i had to experiment by taking clones constantly and topping at different times and what not.

Thanks guys. I just didnt want to get it confused with anyother diffencies as to further fuck my plant lol

TTT said:

Thanks guys. I just didnt want to get it confused with anyother diffencies as to further fuck my plant lol

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ya no one likes a plant fucker.