Using scales to make various DIY concrete dumbbells. I checked the scale for 1 cup of water which should weigh about 8.3 ounces but the reading is 9.3 so the scale is off by about 1 ounce. It's not critical to me, but if ounces are important to you, then this scale is unacceptable. I suppose one can add or subtract weight to account for the error.
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