Not a secret, just common sense.
You simply put an insert, like one of those deep fryer baskets that they make french fries in, except it is a tighter mesh into one of the barrels where all the Love is happening. After several weeks, dump them into another barrel and let them grow, then start again.
You are not the best plumber, so I am sure all of your standing stock would be sucked out the bottom!
Just kidding!
