Whether you're maintaining a stunning reef tank or a beautiful freshwater aquarium, Reef Diary is the essential tool every aquarist needs. Track water parameters, manage maintenance schedules, and keep your aquatic ecosystem healthy with our comprehensive aquarium management app. Smart Parameter Tracking Reef Tanks: Monitor Salinity, Calcium, Magnesium, pH, KH, Nitrates, Phosphate, Temperature and more... Freshwater Tanks: Track Chlorine, General Hardness, Dissolved Oxygen, pH, and essential parameters Automatic parameter filtering based on your tank type Visual trend charts to spot parameter changes before they become problems Shows optimal ranges with color-coded Suggested optimal values for your tank Complete Tank Management Multiple tank support - manage your entire aquarium collection from reef to fresh-water tank Equipment inventory with photos and with purchase dates and costs to track yours spending Livestock tracking with photos and notes and cost track anything from fish to corals to cleanup grew Dosing history to track supplements and treatments Maintenance task scheduler with recurring reminders daily, weekly, monthly Your Data Historical parameter tracking with detailed logs Works offline - no internet required for daily use Perfect For: Reef keepers managing complex marine systems and multiple tanks Freshwater enthusiasts with planted or community tanks Aquascaping hobbyists tracking plant tank parameters Fish breeders monitoring water chemistry Your Privacy Matters AquaManager stores all data locally on your device. We don't collect, store, or share any of your personal information or aquarium data. Transform your aquarium hobby from guesswork to precision. Download AquaManager today and give your fish, corals, and plants the stable environment they deserve. Perfect for reef tanks, freshwater aquariums, planted tanks, and marine systems. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/