Have you ever recycled your water?

You can reuse water that has been used for cooking and give it to your houseplants. Any water that is used to boil vegetables, rice, pasta, or eggs can be used to water your plants. It is full of nutrients and will serve as a homemade fertilizer. Just be sure to let it cool down and don’t use it if you added salt, which is toxic to plants.
Mini-greenhouse effect

Did you know that you can easily create a humid environment for your small plants or plants that you are trying to propagate by creating a mini-greenhouse from common household materials? You can easily use either a jar with a lid, or even a clear plastic jug that has been cut in half, to place over your plants. This works especially well for propagating because the humidity helps the process out tremendously.
Make pots hold water longer

If your potted houseplants dry out too quickly after watering, try this simple trick for keeping the soil moist longer. When repotting, tuck a damp sponge into the bottom of the pot before filling with soil. It will act as a water reservoir and may help prevent a gusher if you accidentally overwater.
Don’t toss leftover club soda

The minerals in the soda water help green plants grow. For maximum benefit, give your plants a drink of soda once a week. Let the soda water cool and hydrate your houseplants with the nutrient-filled liquid.
Wine bottle watering

Use a wine bottle to slowly water your plants if you are away for a few days. Simply fill an empty wine bottle with water and insert the bottle neck into the soil. The water will slowly be released into the soil, and you won’t have to worry about your plant while you are gone.
Dust your leaves.

If your plant leaves are dusty, they won’t be able to perform their normal functions. Simply rinse your leaves off in the shower or sink, or wipe any dusty leaves off with a moist sponge or paper towel. This is one of the best hacks for indoor plants.
Mouse pad your plants

To keep plant containers from scratching or damaging your furniture or floors, just set the pots atop old computer mouse pads. Your floor will remain scratch-free. You may need to use multiple mouse pads for large pots.
Use ice cubes to water

Place them around the soil, but not touching the stem. The ice will melt slowly, releasing water gradually and evenly into the soil.
Great tips thanks