# Seleting trunc length to allow Dada2 merge

**URL:** https://forum.qiime2.org/t/seleting-trunc-length-to-allow-dada2-merge/20528
**Category:** User Support
**Tags:** dada2
**Created:** [August 23, 2021, 1:28pm UTC](https://forum.qiime2.org/t/seleting-trunc-length-to-allow-dada2-merge/20528 "2021-08-23T13:28:52Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![colinbrislawn](https://forum.qiime2.org/user_avatar/forum.qiime2.org/colinbrislawn/32/6221_2.png) [@colinbrislawn](https://forum.qiime2.org/u/colinbrislawn)
#### Post date: [August 23, 2021, 6:00pm UTC](https://forum.qiime2.org/t/seleting-trunc-length-to-allow-dada2-merge/20528/2 "2021-08-23T18:00:40Z")

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Hello @ANKITA1,

I wrote up [a guide about choosing merging settings](https://forum.qiime2.org/t/merging-quality-control-and-overlapping/12618/6), which you might find helpful.

If you have any questions, let me know!

Colin

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