# Tank level inaccuracy causing long wait times before print

**URL:** <https://forum.formlabs.com/t/tank-level-inaccuracy-causing-long-wait-times-before-print/36936>\
**Category:** Form 3/3+\
**Created:** [September 18, 2023, 9:14pm UTC](https://forum.formlabs.com/t/tank-level-inaccuracy-causing-long-wait-times-before-print/36936 "2023-09-18T21:14:15Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![agiorgitis](https://avatars.discourse-cdn.com/v4/letter/a/85f322/32.png) [@agiorgitis](https://forum.formlabs.com/u/agiorgitis)\
**Post date:** [September 29, 2023, 7:14pm UTC](https://forum.formlabs.com/t/tank-level-inaccuracy-causing-long-wait-times-before-print/36936/7 "2023-09-29T19:14:06Z")

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An idea I had proposed in the past was for us to be able to weight the resin cartridge, then enter that value in preform before each print.  
Preform would have a database with all cartridges (empty and full weight), and that would give a much closer estimate.

They have implement a weight sensor in the 3L, but not on 3/3+. A cheap way of thinking in my opinion, what would be the cost of it??

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