ghostdog24
New Member
20 inches is fine but I good way to tell is by sticking your hand at the top of your ladies and if the light is too warm for your hand being under it for a minute it's too warm for the plants. I haven't messed with humidity in my grow yet due to financial block
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no worry man we all have financial block.the light that im using does not produce a lot of heat and i also have a thermometer at the leafs level and it reads 75F whether the light is 6 inches or a foot from the leafs. i have no idea if its better to have more or less light whether its hot or not . btw sorry for my english its not my first language.