Do not anymore truth lol but ask me anything I developed my own strain I know my shit again truth email@example.com
send us your specifications so we know what you're working with
That is not an easy one to answer. I prefer hids but they put out a lot of heat. If heat is an issue than LED or T5 is the way to go. I don't think there's a perfect light but there is an optimum light for the space you'll be growing in.How large is the grow area? How much can you vent it?