# Feedback and suggestions **URL:** https://forum.pioreactor.com/c/feedback/16.md [Latest](https://forum.pioreactor.com/latest.md) · [Categories](https://forum.pioreactor.com/categories.md) · [Tags](https://forum.pioreactor.com/tags.md) --- ## [About the Feedback and suggestions category](https://forum.pioreactor.com/t/about-the-feedback-and-suggestions-category/324)
**Author:** [@CamDavidsonPilon](https://forum.pioreactor.com/u/CamDavidsonPilon)\ **Replies:** 0\ **Last updated:** [May 28, 2024, 2:31pm UTC](https://forum.pioreactor.com/t/about-the-feedback-and-suggestions-category/324 "2024-05-28T14:31:55Z")
Provide feedback about the Pioreactor for future improvements. Any software or hardware feedback is welcome. Bug reports or questions should probably go into a different category. --- ## [Any thoughts on a pioreactor modified to have less volume and more cultures?](https://forum.pioreactor.com/t/any-thoughts-on-a-pioreactor-modified-to-have-less-volume-and-more-cultures/148)
**Author:** [@cdbehr](https://forum.pioreactor.com/u/cdbehr)\ **Replies:** 5\ **Last updated:** [October 19, 2026, 7:52pm UTC](https://forum.pioreactor.com/t/any-thoughts-on-a-pioreactor-modified-to-have-less-volume-and-more-cultures/148 "2026-10-19T19:52:30Z")
I imagine it would be reasonably easy to modify the single culture pioreactor to control several cultures at once (maybe even something like 10-12 cultures at 1-2 ml each?) for multiple experiments at a time. Has anyone … --- ## [Target RPM outside OD measurement](https://forum.pioreactor.com/t/target-rpm-outside-od-measurement/1251)
**Author:** [@felpeg](https://forum.pioreactor.com/u/felpeg)\ **Replies:** 1\ **Last updated:** [October 14, 2026, 7:40pm UTC](https://forum.pioreactor.com/t/target-rpm-outside-od-measurement/1251 "2026-10-14T19:40:00Z")
Hey there, Running experiments with RPM outside OD measurement right now leads to a little issue. When I set my original target RPM e.g. 1100 and start my experiment then after the first OD measurement this will also re… --- ## [Timestamp markers](https://forum.pioreactor.com/t/timestamp-markers/1018)
**Author:** [@felpeg](https://forum.pioreactor.com/u/felpeg)\ **Replies:** 2\ **Last updated:** [October 12, 2026, 8:35am UTC](https://forum.pioreactor.com/t/timestamp-markers/1018 "2026-10-12T08:35:54Z")
Hey Pioreactor Team, I’m working with data from the PIOs right now, and I realized that I sometimes need to trace back timings—for example, sampling time. For now, I would need to trim data as I want to keep the PIOs ru… --- ## [Description box size](https://forum.pioreactor.com/t/description-box-size/1244)
**Author:** [@sharknaro](https://forum.pioreactor.com/u/sharknaro)\ **Replies:** 0\ **Last updated:** [September 20, 2026, 12:54pm UTC](https://forum.pioreactor.com/t/description-box-size/1244 "2026-09-20T12:54:19Z")
Can we have the description box contractable to open and close to hide/open the details when only needed? --- ## [Can we have experiment-level control over graphs?](https://forum.pioreactor.com/t/can-we-have-experiment-level-control-over-graphs/1203)
**Author:** [@noahsprent](https://forum.pioreactor.com/u/noahsprent)\ **Replies:** 3\ **Last updated:** [August 24, 2026, 4:06pm UTC](https://forum.pioreactor.com/t/can-we-have-experiment-level-control-over-graphs/1203 "2026-08-24T16:06:44Z")
I wonder if it’s worth a little bit of a rethink on how graphs are chosen and displayed in the UI. I know I’m not alone in having different sensors etc. that plot and also probably not alone in having them only connected… --- ## [Export of Experiments section](https://forum.pioreactor.com/t/export-of-experiments-section/1200)
**Author:** [@sharknaro](https://forum.pioreactor.com/u/sharknaro)\ **Replies:** 1\ **Last updated:** [August 21, 2026, 4:18pm UTC](https://forum.pioreactor.com/t/export-of-experiments-section/1200 "2026-08-21T16:18:54Z")
It would be nice if we can have Experiments export to be experiment specific instead of including all the experiment data collection? Plus, can we have Experiment tags as an export option? Perhaps these two can be merged… --- ## [Populate from previous experiment with selection](https://forum.pioreactor.com/t/populate-from-previous-experiment-with-selection/1198)
**Author:** [@sharknaro](https://forum.pioreactor.com/u/sharknaro)\ **Replies:** 0\ **Last updated:** [August 19, 2026, 7:04am UTC](https://forum.pioreactor.com/t/populate-from-previous-experiment-with-selection/1198 "2026-08-19T07:04:36Z")
Can Populate from previous experiment allow the selection of which experiment to populate from? This will be handy when multiple people are using single pio platform with diverse experiment setups. --- ## [SiLA 2 and OPC UA LADS](https://forum.pioreactor.com/t/sila-2-and-opc-ua-lads/1170)
**Author:** [@noahsprent](https://forum.pioreactor.com/u/noahsprent)\ **Replies:** 0\ **Last updated:** [July 14, 2026, 9:18pm UTC](https://forum.pioreactor.com/t/sila-2-and-opc-ua-lads/1170 "2026-07-14T21:18:25Z")
Letter-of-Intent-on-Open-Standards-for-Life-Sciences\_firstSignatures.pdf (2.9 MB) @CamDavidsonPilon have you seen this letter? Wonder whether you’ve interacted with any of these standards before? --- ## [Scheduled config\_\.ini](https://forum.pioreactor.com/t/scheduled-config-worker-ini/1111)
**Author:** [@sharknaro](https://forum.pioreactor.com/u/sharknaro)\ **Replies:** 2\ **Last updated:** [April 13, 2026, 4:39pm UTC](https://forum.pioreactor.com/t/scheduled-config-worker-ini/1111 "2026-04-13T16:39:44Z")
Would there be an interest and possibility to make config\_\.ini return back to config.ini once the experiment is ended? Ideally, having this option as keep permanent/temporary would be great so users can choose wh… --- ## [Shield Design v1](https://forum.pioreactor.com/t/shield-design-v1/1106)
**Author:** [@AGreen](https://forum.pioreactor.com/u/AGreen)\ **Replies:** 0\ **Last updated:** [April 3, 2026, 8:52am UTC](https://forum.pioreactor.com/t/shield-design-v1/1106 "2026-04-03T08:52:56Z")
Hi all, Just curious if anyone has tried a shield to protect the HAT and pi from leak damage? Is there some obvious reason I’m missing why something like this wont work? In its current form my v1 design blocks the pi i/… --- ## [More options for documentation for activities and config please](https://forum.pioreactor.com/t/more-options-for-documentation-for-activities-and-config-please/1095)
**Author:** [@noahsprent](https://forum.pioreactor.com/u/noahsprent)\ **Replies:** 4\ **Last updated:** [March 25, 2026, 4:25pm UTC](https://forum.pioreactor.com/t/more-options-for-documentation-for-activities-and-config-please/1095 "2026-03-25T16:25:12Z")
Example from an inbuilt job - I’d love to be able to edit this page a bit to give more details. If someone installs a plugin designed to e.g. do PID pH control, it’s useful for the documentation to be right there --- ## [UI plot arrangement](https://forum.pioreactor.com/t/ui-plot-arrangement/1097)
**Author:** [@sharknaro](https://forum.pioreactor.com/u/sharknaro)\ **Replies:** 1\ **Last updated:** [March 24, 2026, 3:48pm UTC](https://forum.pioreactor.com/t/ui-plot-arrangement/1097 "2026-03-24T15:48:14Z")
Can Pioreactor, improve accessibility for modifying the positioning of the plots in the overview window? (e.g., move OD measurements to top) One idea, which I assume to can be complex to imlement, can be to allow the or… --- ## [Warning about logging to db?](https://forum.pioreactor.com/t/warning-about-logging-to-db/1096)
**Author:** [@noahsprent](https://forum.pioreactor.com/u/noahsprent)\ **Replies:** 3\ **Last updated:** [March 23, 2026, 2:31pm UTC](https://forum.pioreactor.com/t/warning-about-logging-to-db/1096 "2026-03-23T14:31:28Z")
This is my own dumb error but might be helpful to stop other people from making the same mistake with a watcher that says when huge numbers of logs are being written. I have a job that watches i2c and writes values to mq… --- ## [Making the UI reload more static](https://forum.pioreactor.com/t/making-the-ui-reload-more-static/1086)
**Author:** [@sharknaro](https://forum.pioreactor.com/u/sharknaro)\ **Replies:** 1\ **Last updated:** [March 19, 2026, 1:24pm UTC](https://forum.pioreactor.com/t/making-the-ui-reload-more-static/1086 "2026-03-19T13:24:19Z")
Minute upgrade request (if considered worth to implement and possible) Updating the Description section of an experiment causes right right panel to be updated (disappear and appear) in experiments with assigned worke… --- ## [Suggestion: Projects section and export summary](https://forum.pioreactor.com/t/suggestion-projects-section-and-export-summary/958)
**Author:** [@sharknaro](https://forum.pioreactor.com/u/sharknaro)\ **Replies:** 10\ **Last updated:** [December 11, 2025, 7:40pm UTC](https://forum.pioreactor.com/t/suggestion-projects-section-and-export-summary/958 "2025-12-11T19:40:40Z")
Would it be possible to introduce “Project” section in the GUI to encapsulate the connected experiments under one folder? If the option above is possible/supported, it would be also great to include: “researcher name”… --- ## [Automating Backup and Restart Cycle](https://forum.pioreactor.com/t/automating-backup-and-restart-cycle/1003)
**Author:** [@Jackd4w](https://forum.pioreactor.com/u/Jackd4w)\ **Replies:** 2\ **Last updated:** [December 11, 2025, 8:12am UTC](https://forum.pioreactor.com/t/automating-backup-and-restart-cycle/1003 "2025-12-11T08:12:07Z")
Hello, we are currently using the Pios as a shared resource in our group for long-term experiments. This works nicely, however this usually leads to there always being something running on the clusters, making it very di… --- ## [Hardware Shutdown Button](https://forum.pioreactor.com/t/hardware-shutdown-button/1004)
**Author:** [@Jackd4w](https://forum.pioreactor.com/u/Jackd4w)\ **Replies:** 0\ **Last updated:** [December 10, 2025, 4:43pm UTC](https://forum.pioreactor.com/t/hardware-shutdown-button/1004 "2025-12-10T16:43:42Z")
And a second thread: I had it occur in the past that power cycling the Pios lead to a corrupt image that would prevent booting them (no connectivity and also no green LED activity on the rpi’s). As they sometimes crash o… --- ## [Product - not Waste](https://forum.pioreactor.com/t/product-not-waste/997)
**Author:** [@Martin](https://forum.pioreactor.com/u/Martin)\ **Replies:** 3\ **Last updated:** [December 4, 2025, 9:38am UTC](https://forum.pioreactor.com/t/product-not-waste/997 "2025-12-04T09:38:58Z")
I’ve been teaching use of pioreactors in chemostat and turbidostat modes, and the latest batch have the lovely new labelling on the top. It’s causing the students problems though. They need to know that what they are p… --- ## [Notes/manual additions to datastream](https://forum.pioreactor.com/t/notes-manual-additions-to-datastream/599)
**Author:** [@noahsprent](https://forum.pioreactor.com/u/noahsprent)\ **Replies:** 12\ **Last updated:** [September 8, 2025, 7:48pm UTC](https://forum.pioreactor.com/t/notes-manual-additions-to-datastream/599 "2025-09-08T19:48:49Z")
The pioreactor system provides a great way to feed data that is collected automatically into a database for later retrieval. But it’s definitely useful to be able to add at least two more forms of data: Manual notes, t… --- ## [Turbidostat after time](https://forum.pioreactor.com/t/turbidostat-after-time/899)
**Author:** [@felpeg](https://forum.pioreactor.com/u/felpeg)\ **Replies:** 5\ **Last updated:** [August 20, 2025, 2:02pm UTC](https://forum.pioreactor.com/t/turbidostat-after-time/899 "2025-08-20T14:02:50Z")
Hi there, I’ve been running cultures in a turbidostat setup and was aiming to capture the point when the growth rate is at its maximum. To determine this, I ran precultures to analyze growth curves and pinpoint the time… --- ## [Plotting alt media concentration](https://forum.pioreactor.com/t/plotting-alt-media-concentration/828)
**Author:** [@Pedre91](https://forum.pioreactor.com/u/Pedre91)\ **Replies:** 3\ **Last updated:** [June 13, 2025, 6:29pm UTC](https://forum.pioreactor.com/t/plotting-alt-media-concentration/828 "2025-06-13T18:29:24Z")
Hi! Our group mainly work with pioreactor in morbidostat mode. After export data, we usually calculate the drug concentration in vial over the experiment time, plotting as this: Drug concentration in vial is calculat… --- ## [Protein Expression In Pioreactor](https://forum.pioreactor.com/t/protein-expression-in-pioreactor/814)
**Author:** [@VladZor121](https://forum.pioreactor.com/u/VladZor121)\ **Replies:** 0\ **Last updated:** [June 6, 2025, 5:19pm UTC](https://forum.pioreactor.com/t/protein-expression-in-pioreactor/814 "2025-06-06T17:19:27Z")
Hello, we’re going to grow and express GFP with IPTG inside BL-21 strain of E.coli today, we are wondering if anyone has tried to attempt this? What were your results? Was is done in the 40ml setup or the 20ml? Otherwis… --- ## [Sorting alphabetically](https://forum.pioreactor.com/t/sorting-alphabetically/806)
**Author:** [@mandy-twig](https://forum.pioreactor.com/u/mandy-twig)\ **Replies:** 1\ **Last updated:** [June 2, 2025, 7:31pm UTC](https://forum.pioreactor.com/t/sorting-alphabetically/806 "2025-06-02T19:31:34Z")
In the experiment profiles tab, we have a long list of experiment profiles in the drop down menu (supposedly sorted by date created). It would be nice if these could be sorted alphabetically to more easily identify the o… --- ## [LED caps attachment](https://forum.pioreactor.com/t/led-caps-attachment/804)
**Author:** [@mandy-twig](https://forum.pioreactor.com/u/mandy-twig)\ **Replies:** 2\ **Last updated:** [June 2, 2025, 3:00pm UTC](https://forum.pioreactor.com/t/led-caps-attachment/804 "2025-06-02T15:00:30Z")
Has anyone found a good method keep the the LED caps attached? Whilst setting up the experiments or taking samples, I often find them very loosely attached, breaking apart, or falling off. I have tried taping a few on, b… --- ## [Elapsed time in seconds or hours instead of timestamps and date](https://forum.pioreactor.com/t/elapsed-time-in-seconds-or-hours-instead-of-timestamps-and-date/783)
**Author:** [@lisavds](https://forum.pioreactor.com/u/lisavds)\ **Replies:** 3\ **Last updated:** [May 16, 2025, 1:11pm UTC](https://forum.pioreactor.com/t/elapsed-time-in-seconds-or-hours-instead-of-timestamps-and-date/783 "2025-05-16T13:11:47Z")
When i download for example od data of my experiment its always in a timestamp model with date and the current time i started the experiment on. It would be great if it would be possible to get such data with the elapsed… --- ## [(http) Authentication enabled by default](https://forum.pioreactor.com/t/http-authentication-enabled-by-default/743)
**Author:** [@jasper](https://forum.pioreactor.com/u/jasper)\ **Replies:** 2\ **Last updated:** [April 14, 2025, 8:02pm UTC](https://forum.pioreactor.com/t/http-authentication-enabled-by-default/743 "2025-04-14T20:02:49Z")
How complex would it be to have authentication enabled by default? We were setting up our Pioreactor and checked the default proposed URL and tada! one was already running on our campus. Without them realising we could… --- ## [Autoclavable vial holders](https://forum.pioreactor.com/t/autoclavable-vial-holders/629)
**Author:** [@mandy-twig](https://forum.pioreactor.com/u/mandy-twig)\ **Replies:** 4\ **Last updated:** [March 24, 2025, 4:48pm UTC](https://forum.pioreactor.com/t/autoclavable-vial-holders/629 "2025-03-24T16:48:40Z")
I was very excited to see these autoclavable vial holders, especially the more sizes coming soon. I would be very interested in holders for 8 or preferably even 24 units! --- ## [Applicability of pioreactor hardware/software for larger bioreactor setups?](https://forum.pioreactor.com/t/applicability-of-pioreactor-hardware-software-for-larger-bioreactor-setups/515)
**Author:** [@noahsprent](https://forum.pioreactor.com/u/noahsprent)\ **Replies:** 10\ **Last updated:** [December 27, 2024, 3:52pm UTC](https://forum.pioreactor.com/t/applicability-of-pioreactor-hardware-software-for-larger-bioreactor-setups/515 "2024-12-27T15:52:48Z")
I’m currently running a benchtop bioreactor setup in the 1L range, and have temperature, DO, pH sensors etc. In general, bioreactor software is expensive and tends to be pretty locked into using specific hardware/softwar… --- ## [Growth rate = 0 when there is growth](https://forum.pioreactor.com/t/growth-rate-0-when-there-is-growth/596)
**Author:** [@danwe1](https://forum.pioreactor.com/u/danwe1)\ **Replies:** 1\ **Last updated:** [December 17, 2024, 3:16pm UTC](https://forum.pioreactor.com/t/growth-rate-0-when-there-is-growth/596 "2024-12-17T15:16:51Z")
In this experiment I grew yeast in YPD + 1.5M NaCl. For some reason, after 40 hours of a classic stationary phase, the culture OD began to rise with a linear slope. although the nOD grew in 10 units, it is not represent… [Next page](https://forum.pioreactor.com/c/feedback/16.md?page=1)