What is your lighting
and thats when u do it day 21. for huge huge yields.I don't want to prune much that far into flowering unless I have too. I'm thinking about cutting off the lower 1/4 for greater bud development.
and thats when u do it day 21. for huge huge yields.
u never told us your grow medium and pot size. or u doing rock wool flood and drain in blocks on a table?