Together, they form a paste that you can easily spread across your toilet bowl. Let the mixture sit for 30 minutes, then scrub with a toilet brush before flushing the grime away.
Pump a non-gel toothpaste around the inner surfaces of your toilet, then gently scrub it with a brush. Let it sit for a couple of hours and then rinse with clean water.
Cut a lemon in half, pour salt inside the bowl, and use the lemon half as a scrubbing tool. Squeeze the other half around the bowl, scrub with a brush, and flush.
Mix baking soda and citric acid and spray essential oils onto the mixture. Spray until the mix has a texture like wet sand that you can form into balls.
Let the balls dry for a few hours before putting them in an airtight container. Drop one into the bowl when your toilet is dirty, watch it work away at the grime, and then flush.
Coke contains phosphoric acid, a cleaner that removes rust and limescale. Pour it into the toilet bowl over the stains, let it sit overnight, and flush in the morning.