Wow - great ideas - I love the ice cube thing, though my plants like a little more water than that so generally I use old cooking water depending on what I've cooked!

Top Tip:

When you have finished boiling an egg or vegtables allow the water to cool and then use to water plants! I think they quite like the extra vitamins and nutrients that are now trapped in the water!

Top Tip:

This also works when replacing the water and cleaning out your fish tank! The water is nutrient rich so use it in the garden instead of throwing it down the drain!