I have an inlet after the tank and before the drain field that goes into the outlet pipe and that is accessible from the yard. You can put a cutsey model lighthouse or bird bath over the port to disguise it and keep the lawnmower from accidentlly running over it. Once a month I open the inlet and pour a cup or so of copper sulfate crystals into the port. That helps kill off anything green that is trying to grow into your drainfield pipes. Make sure you don't have any big trees growing close to your drainfield. If your field is not readily visible to prying eyes attached to babbling mouths, never, ever involve the health department or state department of environmentalist wacko quality in the event you need to do heavy maintenance on your drainfield or septic system. You'll be going to a roadside park while they're jerking you around thru the permit process. Poot, shovel, shut up! If you don't feel comfortable installing the inlet pipe as described, a good plumber in the area who is familiar with septics can do it for you. Nothing to it-$100 to $200 max. RidX is and expensive waste of time and money.
Very clever! This is one cagey piece of advice - I’ll chew on on it for a while (figuratively, of course).