The Alchemist Code
Nerite
Keep every aquarium stable with a log, dosing and reminders
Nerite puts an aquarium log, a reef dosing calculator and maintenance reminders in one app. Every reading is checked against the target range for your system, whether freshwater, planted, saltwater, reef or brackish, so you see "in range" or "out of range" at a glance. It works fully offline, with no sign-up, on Android.
Water parameters, scored
Log pH, ammonia, nitrite, nitrate, phosphate, alkalinity, calcium, magnesium and salinity against your tank's targets.
Dosing matrix
Get the exact dose of soda ash or sodium bicarbonate (calcium and magnesium chloride with Premium), split over several days when needed.
Maintenance reminders
Schedule feeding, water changes, tests and equipment service; reminders fire on your device even with no signal.
250-species compatibility guide
Browse fish, corals, invertebrates and plants, and check compatibility before you buy.
Want an app like this for your business?
We design, build, launch and support apps for iOS, Android and desktop. Discovery and proposal are free.
What does success look like for your product?
The first call and the proposal are free. The person who will lead your project replies in person.