Aquarium Media Lab
Bio-Calculator // Filter Stack Simulator v2.0
Add to Home Screen
–
FILTER RATING
Add media to your stack to begin simulation.
Your Tank & Water
Tank Volume
Flow Rate
Your Tap Water
Tap pH
Tap KH (carbonate)
Tap GH (general)
Weekly Water Change
Advanced settings
Water Temperature
Stocking Level
Light
Moderate
Heavy
Units
Metric (L / m²)
Imperial (gal / ft²)
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Reset
Build Your Filter
Quick start:
Community
Blackwater
Rift Cichlid
Low-Nitrate
Filter size (how much media fits)
Even Split
Shares always total 100% of your filter.
Inside Your Filter
Nitrifier colonies (aerobic)
Anoxic zones (denitrifying)
Water flow
Results
Pick media on the left to see what your filter can do.
All metrics
0
Effective bio-area (m²)
0
NH₃ capacity (g/day)
0
Fish supported (inches)
0×
Tank turnover /hr
0s
Filter contact time
0
Stock NH₃ demand (g/day)
-
Est. cycle time (fishless)
-
Steady-state nitrate (ppm)
Bio-Capacity vs Demand
(marker = tank demand)
0%
Nitrate Removal Efficiency
0%
Chemical Stability
0%
Flow Match (aerobic sweet spot 4–8×)
0%
Your Water Over 30 Days
pH
KH dKH
GH dGH
tap baseline
Fish That Fit Your Tank
(matched to your tank size and water)
All types
Schoolers
Bottom dwellers
Centerpiece
Invertebrates
Water Goals
(set a target - get simple steps to reach it)
Target pH
Target KH
Target GH
Filter
Results
Fish
Setup