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    Duplicate Merge and Data Hygiene in a CRM

    Data Quality

    Lumenbase has a Hygiene Hub: duplicate scans, identity clusters, merge, normalization, and stale-record detection, so your CRM data stays clean as it grows.

    By Sebastian StreiffertPublished Jun 2, 2026Updated Jun 2, 20266 min read

    CRM data rots on its own. Imports add duplicates. Reps spell company names three ways. A year in, your reporting is built on mush. Lumenbase has a dedicated tool for this.

    It's the Hygiene Hub, under System Operations at `/system-operations/hygiene`.

    What the Hygiene Hub does

    The Hygiene Hub handles the cleanup work:

    So you scan, review the clusters, and merge. You don't hunt duplicates by eye.

    • Duplicate scan
    • Identity clusters: it groups records that look like the same person or company
    • Merge
    • Normalization
    • Data quality metrics
    • Stale record detection

    Merging without losing history

    A merge keeps the combined history on one record. Instead of three half-filled versions of a contact, you get one with all the activity attached. The timeline survives the cleanup.

    Catching duplicates at import

    Hygiene also runs at the front door. The Data Hub does duplicate detection during CSV import, with field mapping and rollback. So a messy spreadsheet doesn't dump a thousand dupes into your CRM in the first place.

    Data quality you can see

    The Hygiene Hub shows data quality metrics and flags stale records. You get a read on how clean the workspace actually is, not a guess. Stale records surface so you can decide what to keep.

    Runs on batch infrastructure

    Hygiene scans and cluster resolution run on shared batch jobs. They use adaptive chunking and recovery, so a big dedupe on a large workspace finishes instead of timing out.

    Who this is for

    Ops people and revenue operators at $2M to $30M ARR companies who care about a clean data model. The kind who treat a duplicate-riddled CRM as a personal offense.

    Frequently asked questions

    Can I merge duplicate contacts?

    Yeah. The Hygiene Hub scans for duplicates, clusters likely matches, and merges them.

    Does merging lose the contact's history?

    No. A merge keeps the combined activity on one record.

    Does it catch duplicates during import?

    Yes. The Data Hub runs duplicate detection on CSV import, with rollback if needed.

    Can I see how clean my data is?

    Yeah. The Hygiene Hub reports data quality metrics and flags stale records.

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