# FAQ

Library Preparation > AmpliSeq > FAQ

* [Frequently asked questions for AmpliSeq for Illumina On Demand panels](https://knowledge.illumina.com/library-preparation/ampliseq/library-preparation-ampliseq-faq-list/000001048)
* [How many reactions are in the AmpliSeq Library Equalizer for Illumina?](https://knowledge.illumina.com/library-preparation/ampliseq/library-preparation-ampliseq-faq-list/000006521)
* [Recommended positive control for AmpliSeq for Illumina BRCA Panel library prep](https://knowledge.illumina.com/library-preparation/ampliseq/library-preparation-ampliseq-faq-list/000005659)
* [Recommended positive controls for AmpliSeq for Illumina Cancer Hotspot v2 Panel library prep](https://knowledge.illumina.com/library-preparation/ampliseq/library-preparation-ampliseq-faq-list/000005660)
* [What is the difference between AmpliSeq for Illumina custom DNA HotSpot and Gene Design Panels?](https://knowledge.illumina.com/library-preparation/ampliseq/library-preparation-ampliseq-faq-list/000001052)
* [Which files can be obtained from DesignStudio for custom AmpliSeq sequencing panels?](https://knowledge.illumina.com/library-preparation/ampliseq/library-preparation-ampliseq-faq-list/000005717)