The Durban Poison from Dutch Passions. This plant is one of the few true pure sativa strains left. It grows very tall with long branching and long node spacing. For indoor grows height can be an issue if training techniques are not performed. This strain from what I've found does not like to be watered to much. I've collected pollen off of another durban I've converted last year so once I get clones I will make a diary on the seed process.
@Tweak, my durban poison is in cyco coco and I only feed it floranova bloom and calmag. I keep the pots very dry so the roots are always getting bursts of air wich helps trigger the metabolism of the plant. If it helps watch on youtube greenhouse seed company grow vids. They will explain the drying and feeding schedule to maximize flower production. Hope this helps.