More to explore:
natural cleaning supplies ... lemon, vinegar, baking soda for hard water stains
natural cleaning supplies -- this post is all about the bathroom, but there are links to lots of other green cleaning ideas, holistic health, fitness and food
Spring Cleaning: Natural Cleaning Tips for the Bathroom Clean the bathroom with nothing but a lemon (hard water stains on fixtures), baking soda (punch holes in the top to sprinkle), then spray on vinegar for scrubbing bubbles that become 'comet' scrub - wow! Going to try this!