Awe I really wanted the answer to this!
It depends on how much water comes out of your shower head.
it can't hold very much weight
Fill a bag with vinegar and tie it to the shower head. Leave it on for a couple of hours then wash. Good as new. Or get yourself a shower head with rubber nozzles which are much like the SparkPod filtered shower head on Amazon.
You cannot lose weight by taking a cold shower. A warm shower will help because it will help burn the excessive fats beneath your skin.
20 times its weight in liquid
112lbs
it can hold as much weight as it can handle
There is effectively no limit to the amount of weight that aluminum can hold, if you use enough aluminum.
A triangle is a shape. How much weight a triangularly shaped object could hold would depend on the nature of the object.
it can hold up to 2 gallons
Paper can hold exactly 4.5 kg
About 50,000 lb.