Zajel: the aquarium and fish keeping app
Your tanks, water and fish in one place, with a warning before trouble starts. Includes an encyclopedia of 2,400+ fish and plants.
Tanks and water tests
Temperature, pH, ammonia, nitrite, nitrate and salinity per tank, charted, with an alert when a reading goes out of range.
Zajel advisor
Tasks and tips at the right time for your tanks and local weather.
Compatibility and stocking
Check a new fish against your tank before you buy it.
Breeding and fry
Pairs, spawning, fry and live food cultures, with strains and morphs.
Health and quarantine
Signs and diseases for freshwater and marine fish.
Equipment and costs
Filters, heaters and lights with maintenance dates, power cost per device and profit per tank.