AquaEstima: Aquarium Tools

AquaEstima puts 24 precise aquarium calculators in one app. Every result comes with its formula, a worked example and a diagram, so you can check the math yourself. AQUARIUM • Volume of rectangular and bow-front tanks (gross and net) • Substrate amount and number of bags • T5/T8 and LED lighting (W/L, lm/L) for choosing plants • Energy use and running costs • Dosing of medicines, water conditioners and salt baths • Tank weight and floor load WATER • Remineralizing RO water, live bacteria products • CO₂ from KH, pH and temperature, with the expected drop checker colour • Mixing tap and RO water, GH and conductivity correction • TDS ↔ EC, pH scale, hardness unit converter, water change temperature FERTILIZATION • Redfield ratio (N:P) with a ready correction dose • Your own macro fertilizer from salts • Salt solution strength, iron chelate TOOLS • My aquariums: enter the dimensions once and the calculators fill them in • Test timers for drop tests, with notifications • Metric and US units, hardness in °dH or ppm, light and dark theme, works offline PREMIUM (subscription) • Parameter log: 13 parameters with charts, target ranges, warnings, free ammonia and CO₂, test reminders, sync across devices • LED fixture designer: wizard and manual LED placement • No ads, unlimited aquariums Privacy policy: https://www.privacypolicies.com/live/6889fc27-10b6-463d-a3de-833424e51abb Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/