Stuart on Septic’s, Episode 3 “When should you pump your septic tank” explains how a septic tank works and why and when you should get it pumped.   Full demonstration of a septic tank core sampler.

Pumping your tank once the scum and sludge layer build up is a necessity.  Pumping your tank regularly,  when not needed is a waste of money.   Learning to use a core sampler will help you properly maintain your tank and save you money.