Any shower head that filters calcium or lime will work well, but you'll have to change the filter often.
There are economy heads that use less water.
Not really, because it uses less water, but it takes way longer to have a shower so in the end it uses the same amount, if not more, water than a normal shower!
Most modern shower heads (U.S.) are restricted to 2.0 gallons a minute or less, so a ten minute shower would use approx. 20 gal.
A power shower head mixes moving air with water, to increase the strength of the water coming from the shower head, while using less water. The advantages are lower water bills, using less water and protecting the environment. Some reviews of power shower heads indicate that the claims are untrue, and that the product does not work as is a waste of money.
It depends on the shower heads, bath heads, and the person. If you take a long shower, and use little water for a bath, bath is better. If you use a lot of water for a bath and take short showers with water saving heads, a shower would be better.
shower
My shower head flows 3.5 gal. per min. This is a little less than the norm. The math works out to be about 17.2 Sec. Check out the flow rates on shower heads for sale now. Mine is several years old. they may have lower flows available now.
Shower - it uses less water
You may weigh less after a shower because the water on your body evaporates, removing some weight temporarily.
Large towels are best for when you get out of the shower so it wraps you up completely and less likely to feel cold. Cotton fabric towels is soft for your skin and absorbs the moisture allowing you to dry.
It depends how long it takes you to shower
Best overall: Maytex Metal Double Roller Glide Shower Curtain Ring. Best rolling shower curtain hooks: Amazer Rust-Resistant Stainless Steel Shower Curtain Rings. Best decorative shower curtain hooks: InterDesign Axis Shower Curtain Hooks.