My auto grows really slowly

Thegm963

Member
This is my first attempt as a grower with a hybrid auto.

I understand my setup is not ideal, but I had practically zero budget and I never expected any serious yield, it was more of a proof of concept effort so I could then decide what to invest in.

On topic, seed was germinated in paper, then put in a 7.5L container with an assumingly quality organic soil, plus 1/5 perlite I mixed in.
Above it looms a single 25W natural light led lamp (equivalent should be around 200W) around 30 cm above the plant. There is also a small fan at an angle to create a breeze that gently moves the plant around. I keep the lamp on for around 20 hours a day.

I live in a mediterranean country so humidity/temperature inside is fairly average/mild so I water every other way. (My City's water ph should be around 7.2-7.5 depending on stuff.

The thing is, the poor plant has been there for a bit more than a month and it's still around 5.5 inches tall. It seems to be growing but at a very slow pace which is quite problematic considering it's an auto. I have also noticed some of the leaves to develop a brighter shade of green on some parts as seen in the pic.

What could cause this? I have yet to notice any bugs, nets, dust and generally pest related stuff...

IMG_20200827_003430.jpg
 
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