Your aquarium's best friend. Glub is a warm, beginner-friendly aquarium manager for freshwater fish tanks, built around the way real fishkeepers actually work — not a spreadsheet, not a forum, just a calm companion that helps you build a healthy tank.
Whether you are setting up your very first fish tank or running a planted community aquarium, Glub keeps your tanks, fish, water parameters, reminders and care notes in one beautiful place.
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WHAT YOU CAN DO WITH GLUB
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🐠 TANKS, STOCKING & HEALTH
• Add unlimited tanks with custom names, sizes and types
• Track every fish and plant — species, count, ♂ male / ♀ female / ? unknown
• Tank Health Score — your tank's overall condition at a glance
• Live 3-layer occupancy ring — bioload, swim levels and species mix in one view
• Smart stocking calculator — real fish biology, not a "looks fine" guess
• Sex-ratio warnings for 89 species (harems, livebearers, fin nippers)
• Freshwater, planted and brackish tank support
🧪 WATER PARAMETERS
• Log pH, ammonia, nitrite, nitrate, temperature, GH, KH
• Color-coded safe / warning / danger ranges per species
• Beautiful parameter graphs over time
• Spot trends before they become problems
🤝 COMPATIBILITY CHECKER
• Check if two species can live together
• Temperament, temperature, territory and breeding-style aware
• Clear explanations, not just a green tick
📚 FISH ENCYCLOPEDIA (377 SPECIES)
• Care sheets for fish, shrimp, crabs, snails, frogs, salamanders and plants
• 174 colored Care & Info Cards across 85 species — green care, yellow pro tip, blue good to know, orange must read
• Tank size, temperature, pH, diet, temperament, compatibility
• Fully offline — every species photo bundled inside the app
🩺 DISEASE GUIDE
• Recognize ich, fin rot, velvet, dropsy and more
• Symptoms → treatment → prevention in plain language
• Built for beginners, trusted by hobbyists
🧬 NITROGEN CYCLE GUIDE
• Step-by-step cycling walkthrough (ammonia → nitrite → nitrate)
• Know exactly what is happening in your tank and why
💧 FERTILIZER DOSING (107 PRODUCTS)
• Seachem, JBL, Easy-Life, Tropica, ADA, Aquario, Tetra and more
• Right product, right dose, right moment
⏰ SMART REMINDERS
• Water change, filter clean, feeding, parameter testing, CO2 refill
• Snooze without losing the schedule
• Maintenance streaks that keep you motivated
☁️ CLOUD SYNC & OFFLINE FIRST
• Works fully offline — your tanks are always with you
• Optional Google sign-in to back up to the cloud
• Change phones without losing a single note
🎨 CINEMATIC OCEAN THEME
• Warm, deep-ocean design made for late-night fishkeeping
• Dark and light themes, auto follows your phone
🌍 ENGLISH + TÜRKÇE + PORTUGUÊS (BR) + DEUTSCH
• Fully translated, native tone — local market names recognized by real shops (TPA, ciclagem, kinguio, acará-bandeira, Çiklet, lepistes, Besatz, Süßwasser)
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WHY FISHKEEPERS LOVE GLUB
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• Friendly, non-judgmental — no shame if you are new
• Beautiful, clean UI — not a 2010-era database
• Free to start — calculator, compatibility, parameters, reminders all included
• Respects your privacy — GDPR / UMP consent, no dark patterns
Perfect for beginners starting their first tropical fish tank, and just as useful for experienced hobbyists managing a rack of planted aquariums.
Download Glub today and let your aquarium thrive. 🌊
Recent changes:
📸 Tank Photo Timeline
A new "Photos" tab in every tank. Snap a shot or pick from gallery, drag the before/after slider to see months of growth in seconds.
✨ Share as Story
Drop the whole tank into one image: parameters, fish & plant list, equipment, age — send straight to Instagram or WhatsApp.
⚡ Instant Load
Species images are fully offline now. Faster startup, no network at boot.
💬 Sharper Wording
Less filler, casual tone in Turkish, "aquário" in PT-BR, "Serie" in DE.
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