Problems with leaves_wilt and fall down

beka wu

New Member
Problems with leaves

Hi once again. My plants are 56 days old, 115 cm tall in 30 cm pots.

Seeds, came out on May 23rd:

1) Northern Light Automatic > Royal Queen Seeds

2) CBD Med Gom Auto > CBD Crew

3) Sour Diesel Auto > Humoldt Seed Organization

4) Blue Dream Auto > Humoldt Seed Organization

Tent 70x70x160.
Mars II LED 400

CANNA COCO PLUS 50L - 70%
PERLITE 10L - 20%
Vermiculite 10L - 10%

Humidity 50-65 %
Temperature for:
26C Day
17-22C Night
What could be the reason why bottom leaves for 50 cm from bottom wilt, both — biggest and smallest? They wilt, get weaker and fall down.
I was wondering, maybe this could be caused by the fact that my tent get pretty tight for my plants and maybe bottom leaves do not get enought light, as there have fallen about 50 leaves during this last month already.
In the beginning I had some CAL/MAG issues, then I twice added some dolomite lime when watering them. 1 tablespoon per gallon pot size. And CAL/MAG I added twice as much as directed per instructions. It seemed that CAL/MAG issue was solved. But what could cause this issue with bottom leaves now? I enclosed also some pictures.

Thanks in advance.

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