If multiple sinks, tubs, and toilets are draining slowly despite using a plunger, the issue is likely in the main line or the tank itself.
If you suspect that your septic tank is clogged, follow these steps: clogged septic tank
Pouring bacon grease down the sink is a death sentence for a septic system. Grease cools and solidifies. In a septic tank, it forms a thick, hard crust on top of the scum layer. This crust can become so thick that it blocks the inlet pipe (where water enters from the house) or the baffle system. If multiple sinks, tubs, and toilets are draining
If the lawn over your drainfield is significantly greener or spongier than the rest of the yard, the tank may be overflowing or failing to filter liquid properly. In a septic tank, it forms a thick,
A clogged septic tank is 100% preventable. Follow the "Three Ps" rule: Only Pee, Poop, and (toilet) Paper go down the drain.