Check if your fish will actually get along.
TankFlare checks tank size, cycle status, water readings, filter flow, bioload, and fish compatibility with a trained risk model plus conservative aquarium rules before you buy.
45 setup signals. Plain-English reasons. 496 species profiles.
Get a risk level, main reasons, safer setup suggestions, and wanted-fish impact using species data and tank conditions.
Ask, scan, and diagnose with AI.
Beyond the stocking checker, TankFlare ships a full set of AI-assisted helpers for everyday fishkeeping decisions.
Species Advisor
Chat with an aquarium advisor that knows your tanks, your water, and 496 species profiles.
Ask the advisorSymptom Checker
Describe what you see — spots, clamped fins, gasping — and get likely diseases with treatment steps.
Check symptomsPhoto Scanners
Snap a fish to identify the species, or scan a test strip to read your water parameters instantly.
Try a scanCycle-aware tools
Use the checker to factor in cycling status, ammonia, nitrite, and other stability signals before adding fish.
AI-assisted risk scoring
A trained model scores 45 setup and compatibility signals, then TankFlare explains the result in beginner-friendly language.
Setup support
Browse 161 aquatic plant profiles by placement, light, CO2 needs, growth rate, and beginner difficulty.
Explore plantsAquarium blogs
Read beginner-friendly care guides covering setup, diet, behavior, water parameters, and tankmate notes across many freshwater species.
Aquarium logbook
Track water tests, water changes, feeding, dosing, maintenance, livestock notes, and tank observations over time.
Start logging496 species profiles
Browse tank size, adult size, schooling minimums, water ranges, temperament, diet, and care notes across the freshwater database.
Beginner-safe guidance
The goal is not maximum stocking. The goal is a calmer, safer tank that has room for mistakes.
Embeddable checker
Run an aquarium blog or club site? Add TankFlare's free stocking checker with a copy-paste iframe and attribution link.
Get embed codeShare tanks. Swap advice.
Publish your aquariums, follow other keepers, and get answers from people running the same species and setups.
Live Feed
Tank updates, photos, and milestones from keepers worldwide.
Species Hubs
Dedicated spaces for betta, shrimp, cichlid, and planted keepers.
Q&A
Ask anything, vote answers, and mark what solved your problem.
Tank Gallery
Browse public tanks with live parameters, stock lists, and logs.
Build it in 3D. Watch it grow.
Every saved tank gets a 3D scape designer, a cycle tracker, a photo journal, and a growth timelapse.
3D Scape Designer
Place hardscape, plants, and substrate in a live 3D editor.
Cycle Tracker
Step-by-step nitrogen cycle guidance with reading history.
Growth Timelapse
Turn journal photos into a timelapse of your tank maturing.
Journal & Expenses
Log tests, water changes, livestock, photos, and spending.
Use the checker when you have a stocking idea.
Enter gallons, cycle status, plants, decor, water readings, and fish plans. TankFlare gives an AI-assisted report with risk level, reasons, wanted-fish impact, and safer setup suggestions.
Check my fish planRead the guides before you buy.
The blog library explains cycling, water changes, disease prevention, stocking, feeding, and common beginner mistakes. Species profiles add quick fish-by-fish facts when a guide mentions a specific animal.