Is this normal????????????

im coming up to my 4th week of flowering and my leaves are starting to dry up and do brown or yellow as you can see in the pics, it started at the near the bottom of my plant and is working its way up. im using a 250 watt hps bulb for 2 plants, feeding them bio bizz bloom (3 - 5 ml every liter) my plants also dont look like they are buding very fast, there serpose to in 6 to 7 weeks but after 4 tops are only just starting to show and it took 2 weeks to show what sex they where. also the room is 25 *c so they are not getting to hot, its pissing me off proper!!

Thanks

i just posted the same question yesterday. the unanimous opinion was that it was normal aging as the plant enters the last stage of it lifecycle.

have patience young jedi m leaves started yellowing at a simlar stage and there doing just fine i think the plant is just running towards the end of its cycle and puts all its energy into the flowers hence the leaves getting crisp

what about before it even starts budding? my one plant is cfl grown doing the same thing as "wheeelerd" and i just started a 18/6 cycle. i was going to give a week or two before switching to 12/12 but hence it getting crisp iwas thinking it was the switch i had already made. i water only about 8oz every three days, but have lacked putting nutes in the whole grow. the plant is flowering more and more every day just the leaves are dry and kinda crisp, but not to the point of crumbling. idk what to do. mabey ill post something with pics if it gets any worse and just ask for help.

wheeelerd said:

im coming up to my 4th week of flowering and my leaves are starting to dry up and do brown or yellow as you can see in the pics, it started at the near the bottom of my plant and is working its way up. im using a 250 watt hps bulb for 2 plants, feeding them bio bizz bloom (3 - 5 ml every liter) my plants also dont look like they are buding very fast, there serpose to in 6 to 7 weeks but after 4 tops are only just starting to show and it took 2 weeks to show what sex they where. also the room is 25 *c so they are not getting to hot, its pissing me off proper!!

Thanks

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if the humidity is real low it locks out magnees then you need to add a tablespoon of wood ashes then ph down to 6.5 in a gallon of water

Have you guys checked your PH?