Changelog

Changes to our species data, compatibility rules and calculators. Spotted an error? Tell us.

: Launch

  • 150 freshwater species researched and fact-checked, each with sources and a review date.
  • Stocking calculator with separate waste and space meters, compatibility checks, water parameter overlap and group sizes.
  • Compatibility checker, compatibility chart, tank mates pages for every species, and tank size guides.
  • 8 aquarium calculators and 18 guides.
  • My tanks: saved tanks, water test log and maintenance reminders, stored in your browser.