OSAMAbinSMOKIN
Member
I can put my hand on my 400w cooltube without it burning or being uncomfortable, its warm for sure but not too hot.I like the plants to dry out between waterings. The soil is dry when you stick you finger in, and the pot is lighter. I then water until I get some minor runoff.
You are in 3 gal smart pots? Maybe try 3/4 gal every 3 days?
You got bigger plants than me, not sure of your humidity. I am in 2 gal smart pots, and water 1/2 gal every 3rd day. I am ~2 weeks into flowering.
Your plants look a little stretchy, but that is probably because they are a sativa hybrid?
You were asking about light distance - I get it as close as I can, as long as it is not too hot (measured by palm of hand & thermometer) and you are not limiting the spread of your light. 4" above canopy sounds great as long as not too hot & light is spreading out to plants.
Ya they stretched out but thts due to a week vegging under the HPS and the bulb i have has a very low blue spectrum.
Humidity stays around 40-50%. i have a humidifier tht kicks on if it drops below tht.
Im going to let them dry out and try a 3/4 a gallon every 3 days see if it clears up the Claw.
i also added an oscillating stand up fan tht is circulating the air better across the canopy and put the small desk fan blowing down the middle of the plant rows.
We'll see if this helps. Thanks for all help Wood!