Next, mix the hydrogen peroxide and vinegar in a small, separate container. Combine both, drop for drop, into the baking powder mixture. Finally, add your choice of fragrant oil.
Using a spoon, form half-ball shapes and place them on baking paper to dry. If you’d like, you can also apply a mixture of equal parts water and vinegar to the toilet bowl. This will help the tabs stay together, because a hard crust forms around them.
The toilet tabs need at least 4 hours to dry, or preferably overnight. Store them in an air-tight glass jar near your toilet when they are completely dry.
Whenever the toilet is a little less than fresh smelling, pop in another tab.
Making these tabs does take a bit of time, but all of the ingredients are cheap and easy to find. And they are better for the water and the environment that regular toilet cleaning products, which are full of chemicals.