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Leave your solo cups out by a window. Once they sprout consider putting them under a fluorescent t5.
Here is the lamp. Hydrofarms 6 lamp 4ft T5.
Envirogro FLT46 Commercial T5 4FT/6 Tube Fixture - Bulbs Included
Same concept for 400's, 600's and 1000's.....
Edit: For any lights actually.
Id use 3 x600w in a line and do three rows of 6, 7 or 8. Depends on how big you are able to get your plants during veg.
Not a bad idea if you need to cover more area. We raised our lights when going from 3x3 to 4x4 under our 1000's. Just remember not to go too far...
I admire your ambition but for double the price you get a 5 year warranty and you dont have to put forth any labor to build it :)
Nice work though!
Buy a 150 or 250w HPS light. You will need more light if you want to yield anything decent.
It is best to rinse off the dirt while being careful not to tear off too many roots. It is best to do this to healthy plants that will recover...
They 'will' grow but adequate light is a must for any plant!
Your plant is not sick for a single reason. You have multiple deficiencies.
Should be fine. You will want to find a way to increase air flow and lower humidity when you go into flower though. Good luck!
No, if you want to use organics, the General Organics line up by GH is a great start.
Sounds like you need a better all around nutrient. Botanicare CNS17 or General Hydroponics FloraNova series might be a better choice. Maybe try...
What nutrients are you currently using? How often are you cleaning the DWC system?
If your temps are that high beware of hermies.
What nutrients are you feeding with?
Does not look like an overdose. Looks like you need to be upping the strength of the nutrients you are using.
Could be many things. Over watered with no nutrients looks like the most likely. Could be under watered too. Either way, lack of nutrients. It...
Looks like there is a little bit of green left. Life will be very slow, if it does survive.
Do you have a hygrometer to track temp and humidity? A very small purchase that goes a long way.