UD5 Toolkit
Aquarium Volume Calculator - Online Rectangular & Bow Front Tank
Calculate water volume for rectangular, bow-front, and cylindrical tanks. Also computes weight of water. Supports inches/cm. Useful for dosing treatments.
Tag: Freshwater & Marine Fish Compatibility
4+ toolsFish Disease Symptom Checker – Online Visual Diagnosis
Select visual symptoms (spots, fin rot, swelling) to narrow down possible freshwater fish diseases.
Aquarium Bioload Calculator – Online Stocking Level Indicator
Add fish species and sizes to estimate the bioload and check if your tank is overstocked. Inch‑per‑gallon model.
Fish Quarantine Countdown – Online New Arrival Observation
Set a date when a new fish arrives and get a daily checklist for observation. Countdown to safe introduction.