My noob grow, done every mistake possible

W

WhiteWalker

New Member
Tent - Home made panda film aprox 3x3
Light -HPS 600 W
Media - Local plantstore soil 25% perlite
Fans - table fan
Humidifiers - 0,6 liter an hour
pH testers - ebay one
Humidity Controller - none
Heater Controller - I wish
Heater - none
Ducting - none
Inline fan - 12 mm inline fan 180 cubic meter an hour
Carbon filter -home made
Light cycle 24 hour
seeds: Blueberry Kush, Critical, Big Bud and Blueberry Dream

Pots are DIY fabric ones, I didnt even get them right, they are about 5 gallon, but much wider than intended
 

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I have had wild fluxuations in humidity and temp, before i got the latest humidifer, it could be as low as 10% and struggle to keep 50%, its still wintertime here, and i need to keep the window open for temp controll, and the plants have of course suffered from this

now I have the humidity around 50%, but still a bit hot,even though abused, three of them looks ok, but one is struggling

the plants are about two weeks, the smallest one about one

this is my Big Bud




IMG_20200315_110133.jpg
 
This is my struggling blueberry dream
IMG_20200315_110510.jpgIMG_20200315_110524.jpg

I dont think i have overwatered so gave them some water with seeweed today, most plants also show yellowing of the "main vein"
IMG_20200315_110823.jpg

any idea of why this is? is it just the heat/humidity stress ?

Any input welcome :) have a nice day
 
oill said:
Slow the extract fan down or off... these tiny plants dont need much fresh air. So no need to exhaust much. This will help keep the humidity up. A cheap heater and a wet floor will help too.
Click to expand...

thx mate, i dont have a controller yet, but i guess there is enough circulation, just with the open window and the table fan, so could turn it off until they need it or start to smell
 
WhiteWalker said:
the light is about 20 inches from the plant, th rh about 50, Heat varies a lot, but its on the high side like in the 80 + side
Click to expand...
Stop it varying. Keep it at the same temp. Those droopy leaves would indicate to me that the they are either over watered or they are not transpiring enough to pull the water up.

As its soil.. make sure you are letting it dry out for these plants.
 
oill said:
Stop it varying. Keep it at the same temp. Those droopy leaves would indicate to me that the they are either over watered or they are not transpiring enough to pull the water up.

As its soil.. make sure you are letting it dry out for these plants.
Click to expand...

thanks mate, I've raised the lamp a little bit, turned off the extract fan, so should be able to keep stable temp and humidity

but do you measure temp at the highest on top of plants, or in the grow tent out of the light ?

and have much water does one give a two week plant if you water say like every other day ?

before watering with a little seeweed extract today, i havent watered since Thursday, then I gave them aprox 0,5 liter, today i gave them half that, I have been sparying the soil quite often to try to keep the humidity up. The first inch of the top layer was dry today
 
WhiteWalker said:
thanks mate, I've raised the lamp a little bit, turned off the extract fan, so should be able to keep stable temp and humidity

but do you measure temp at the highest on top of plants, or in the grow tent out of the light ?

and have much water does one give a two week plant if you water say like every other day ?

before watering with a little seeweed extract today, i havent watered since Thursday, then I gave them aprox 0,5 liter, today i gave them half that, I have been sparying the soil quite often to try to keep the humidity up. The first inch of the top layer was dry today
Click to expand...
Stick you finger in 1cm below surface.. if its damp dont water.

Stop spraying soil as this will stop you doing the above.

Spray the floor and maybe a tray of water by intake. If you have a heater then put a tray of water by that too.

I would advise getting an inkbird thermostat. Cheap as chips and work really well.
 
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