Use unsalted pasta water as a fertilizer for your garden
This next tip might surprise you since it is not information everyone knows about. It turns out that pasta water is not a great substance to wash down the drain. Just like oil, it can solidify and build up in your pipes, which can be disastrous. Instead, here is an alternative method to dispose of this starchy water.
You can use the water as a fertilizer for your garden. The starch provides plenty of carbs for your plants to eat up and grow. However, this only works with unsalted pasta water. Otherwise, your plants will wither and die. Next time you boil some noodles, do not salt the water and dispose of it later by pouring it onto the soil.