A standard size coffe can is APPX 1 lbs. also, your local pool supply store (or wherever you get D.E. from) should have a scoop that holds 1 lbs. tritonunderwater.com
You would use meters.
Liters measure the volume of something so to measure the amount of water in the pool you'd use liters
Meters.
Newtons.
The tool that a person would use to measure out a pound is called a scale. A scale can be used to weigh people as well. Pounds are a form of measure used on the Imperial system.
Pound can represent the mass of a body Pound is also the British currency Ounce can be used to measure mass Fluid ounce can be used to measure volume
Usually, yards or meters are used to measure a pool. So, if you are able to get on deck, you can just use a tape measure. Most pools are 25 feet or meters, depending on the location.
You use a kitchen scale.
If you want to measure a pound of feed for a horse, it is a good idea to use a scale. A scale will be the most accurate way to measure a pound of feed.
You can measure a swimming pool b cubic meters or gallons.
Kiloliters or gallons depending on sizeo f the pool.
Liters