# K901471: GC-1000 Through GC-3005 Acid Concentrate

- Pathway: 510(k) (Traditional)
- Applicant: Granite Chemical Co., Inc.
- Decided: Jul 27, 1990 after 121 days
- Product code: KPO (Dialysate Concentrate For Hemodialysis (Liquid Or Powder))
- Device class: 2
- Regulation: 21 CFR 876.5820
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
9 later devices descend from it; 3 cite it directly.
0 of 10 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K980659: Dryalysate Concentrate (1998), 7 descendants of its own
- K160847: Rockwell Medical CitraPure Acid Concetrate (2016), 5 descendants of its own
- K171750: Citric Complete Dry Citric Acid (45X) (2018), 2 descendants of its own
- K223431: Citric Complete Liquid Citric Acid Concentrate (2023), 1 descendant of its own
- K260799: Nipro Dry Acid Concentrate Mixer (2026), 0 descendants of its own

Source page: https://510kreport.com/device/K901471
Methodology: https://510kreport.com/methodology