Free resources.
- Free aquarium calculatorsWater volume, salinity, and water-change tools that run without a sign-in.
- Aquarium parameter guidesContext-first freshwater, planted, and reef water-reference pages.
- Aquarium compatibility directoryFifty catalog-backed species comparisons with explicit compatibility signals.
- Aquarium maintenance schedule templateUse a practical aquarium maintenance schedule template for weekly and monthly care planning, then connect reminders in TankForge when you are ready.
- Water change schedule generatorPlan a starting water-change schedule with aquarium-specific caveats for stocking, feeding, filtration, plants, reef chemistry, and test results.
- Aquarium parameter log templatePrint or copy an aquarium parameter log template for freshwater, planted, reef, saltwater, quarantine, and pond-style water tracking.
- Quarantine tank checklistUse a quarantine tank checklist for setup, observation, supplies, and records without making treatment or dosing assumptions.
- Vacation fish care instructions templatePrepare fish sitter instructions with feeding, tank checks, emergency contacts, and what not to do while you are away.
- Reef parameter checklistUse a reef parameter checklist focused on chemistry trends, recent changes, and repeatable testing instead of chasing perfect numbers.
- New tank cycling log templateTrack new aquarium cycling with ammonia, nitrite, nitrate, dates, notes, and reminders to verify decisions with trusted care guidance.
Aquarium workflows
Find the care workflow you need.
Start with one aquarium job, then move into the TankForge workflow that keeps the tank, history, and next action connected.