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Step by step how-tos for the Reefability app and Display: logging tests, ideal ranges, connecting your equipment and managing your plan.

Account and subscription

How to Upgrade, Cancel or Restore Your Reefability SubscriptionCompare Reefability's free account, Premium and the controller plan, then upgrade, cancel in the App Store or Google Play, or restore a purchase.3 min read

Controllers and devices

How to Connect a Neptune Apex to Reefability on Your Wi-FiRead your Neptune Apex probes in Reefability from your phone on home Wi-Fi or through a Reefability Display, and fix the common connection problems.3 min read

Getting started

How to Log a Test Result in Reefability, and Fix a Wrong OneAdd a water test in the Chemistry section by hand or from a photo, see where it shows up, and edit or delete a reading you entered by mistake.3 min read

Tests and chemistry

How to Set Your Own Ideal Ranges for Each Tank in ReefabilitySee Reefability's default ideal ranges for reef water parameters, then set your own low and high values per tank, or go back to the defaults.3 min read

Looking for reef keeping advice?

Read the guides