New answers tagged watering
Rain water has a neutral pH. It's usually softer than tap water and soaks in the ground deeper than a hose watering; people don't water long enough to equal the soak of a good rain. There are particles picked up in the atmosphere during a rain which offer nutrients to the soil that tap water does not have.
Depends on whether, and how much, alkali salts have been added - Schweppes Club soda has sodium chloride, sodium bicarbonate and potassium sulfate added to it. I'd use it on the garden instead, unless you want to do a trial on a couple of plants and see what the results are.
Top 50 recent answers are included