https://reefnotes.com/en/changelog/ Every change to the reefnotes aquarium logbook, newest first. en Fri, 11 Sep 2026 12:00:00 GMT https://reefnotes.com/en/changelog/#2026-09-11-co2-tabelle-parameter-csv https://reefnotes.com/en/changelog/#2026-09-11-co2-tabelle-parameter-csv Fri, 11 Sep 2026 12:00:00 GMT The CO₂ page now carries a KH × pH lookup table computed with the calculator's formula. The parameters index gained an introduction, and every ideal range for freshwater, marine and reef is downloadable as CSV. https://reefnotes.com/en/changelog/#2026-09-11-nutzungsbedingungen-datenschutz https://reefnotes.com/en/changelog/#2026-09-11-nutzungsbedingungen-datenschutz Fri, 11 Sep 2026 12:00:00 GMT reefnotes now has terms of use with a minimum age of 16. The landing page and the registration form say what happens with your data: hosted in Germany, no cookies, no third-party trackers, nothing sold. People who stopped using reefnotes get a single mail asking why. https://reefnotes.com/en/changelog/#2026-09-11-sonntagsausgabe-digest https://reefnotes.com/en/changelog/#2026-09-11-sonntagsausgabe-digest Fri, 11 Sep 2026 12:00:00 GMT The Sunday issue now opens with the two companions' verdict. After that comes only what moved, what's due and where a test is worth it. One button instead of many links. All mail now comes from hello@reefnotes.com. https://reefnotes.com/en/changelog/#2026-09-11-verpasst-veraltet-direkter-start https://reefnotes.com/en/changelog/#2026-09-11-verpasst-veraltet-direkter-start Fri, 11 Sep 2026 12:00:00 GMT A water change that wasn't ticked off now reads "missed" instead of quietly disappearing. Readings that haven't been taken in a while carry a "stale" mark. Weekly testers get copy that fits their rhythm. And after registering you're signed in right away; the link in the confirmation mail logs you in. https://reefnotes.com/en/changelog/#2026-08-10-duengemenge-im-kalender https://reefnotes.com/en/changelog/#2026-08-10-duengemenge-im-kalender Mon, 10 Aug 2026 12:00:00 GMT Every dosing occurrence in the calendar now shows the amount due that day. No more opening the task to check. https://reefnotes.com/en/changelog/#2026-07-18-sonntagsausgabe-album-was-waere-wenn https://reefnotes.com/en/changelog/#2026-07-18-sonntagsausgabe-album-was-waere-wenn Sat, 18 Jul 2026 12:00:00 GMT The Sunday issue arrives: a weekly mail with everything that happened in your tanks, plus an archive in the app. Also new: the album as a photo timeline with before/after compare, what-if controls on the trend chart and the tank's identity card on its public page.