my hat off to you if you can trim that many plants but it must fell good to have 50 clones to pick from
Heath nor I`ve never flushed a plant in our lives in any fast hydro setup we ever ran , and since yas gotta yank em early anyways just drop your ppm`s down every lights on cycle till they`re within decent tapwater levels and let a decent dry and cure take care of the rest....IOW....
Whatever ppm`s yas`re runnin divide it by 10 and drop ppm`s that much or lil more each day till all the residual juice/nitrogen is leached out of em by the time yas gotta chop em....this way....
They`ll keep swellin while cannibalizin themselves of all stored nutes....