Tub Cleaner - mix up a solution of one part Dawn dish soap to one part vinegar, spray it on your tub About an hour later wipe it down and rinse. You can use regular vinegar or cleaning vinegar (you can get it with the cleaning stuff at Walmart). Leave on overnight for really tough jobs.
This stuff is incredible - one cheap natural product that freshens/deodorizes carpets, but deters pests, removes stains, deodorizes garbages and cleans up urine and vomit killing the bacteria too! What a homemade recipe and incredible product to easily and quickly make to have on hand!