Blue Fresh Water

Blue Fresh — Freshwater fishkeeping, finally in good hands.

Built by the team behind Blue, the leading reef aquarium app, Blue Fresh brings the same quality to the freshwater world. Aquascaping, tropical fish, shrimp, plants — your passion, our expertise.

• WATER PARAMETER TRACKING
Log pH, GH, KH, NO₂, NO₃, temperature and CO₂ in seconds. Track trends with clear charts. Get alerts when parameters go off. No more notebooks — Blue Fresh handles it all.

• 1300+ SPECIES PROFILES
Fish, plants, shrimp, snails — each profile covers ideal parameters, compatibility, diet and care tips. Add your livestock to your virtual tank and monitor your population over time.

• FRESHWATER TOOLS
Built-in CO₂ calculator, fertilization tracking, water change management with reminders, species compatibility
checker. Everything you need for perfect water.

• COMMUNITY
Share your best shots, explore other hobbyists' tanks, exchange tips and advice. Built-in photo editor to enhance your pictures before posting.

• DASHBOARD
All your parameters at a glance, maintenance reminders, scheduled tasks, multi-tank management and Blue Assistant to guide you step by step.

• GUIDES & NEWS
Articles, beginner and advanced tutorials, aquascaping tips, disease treatment — learn at your own pace.

• FREE WITH NO ADS
All essential features are free. Premium unlocks advanced tools for the most dedicated hobbyists.

• 7 languages: EN, FR, DE, ES, IT, PT, NL

Join the Blue Fresh community!