Origin note9 min
Why AquaNexus was built
The real aquarium-management problem behind AquaNexus: too many important details scattered across memory, notebooks and disconnected records.
AquaNexusaquarium recordsproduct story
Original AquaNexus writing
Field Notes from the work behind the app.
Ten practical articles built from AquaNexus project records, fish-room systems, breeding targets, equipment audits and build plans.
10 field notes5 status typesNo borrowed article structure
How to read these pages
A target is not a result. A snapshot is not forever.
Origin note Product reasoning and design intentHistorical snapshot Dated equipment or tank recordWorking target A goal used for planning, not proofBuild plan A design that still needs testingPractical framework A method shaped by aquarium work
Historical snapshot12 min
Managing a multi-tank fish room as one system
An AquaNexus fish-room snapshot and the practical systems needed to manage 25 aquariums across six tank sizes without relying on memory.
fish roommultiple aquariumstank records
Working design record11 min
Our central air system planning notes
Original AquaNexus notes on planning a looped central air system with an ACO-318, a 45 L/min pump and XY-380 sponge filters.
central airACO-318sponge filters
Working target — not a result12 min
What it would take to produce 100 guppy fry per week
AquaNexus planning notes for a 100-guppy-fry weekly target, including definitions, breeding groups, grow-out capacity, survival records and ethical limits.
guppy frybreeding targetgrow-out
Working target — not a result13 min
A practical Corydoras breeding and fry-raising system
AquaNexus field notes for planning Corydoras spawning, egg collection, hatching, early feeding, grow-out and a 100-fry weekly target without overstating results.
Corydorasegg layersfry system
Working record design11 min
Designing records for large cherry shrimp colonies
AquaNexus notes on tracking Neocaridina colour lines, colony estimates, breeding targets, grading, tank moves and sales without pretending estimates are exact counts.
cherry shrimpcolony recordscolour lines
Historical load audit12 min
Heating multiple aquariums without losing control of power use
An AquaNexus heater-load audit: 38 heaters with 2.9 kW of connected rating, and the method for separating nameplate load from real electricity use.
aquarium heaterspower auditfish room
Planned build / prototype11 min
A 100-litre aquarium rain simulator: build brief and test plan
Original AquaNexus build notes for a planned 100-litre rain simulator with nine mist heads, including purpose, layout, welfare limits and a controlled test plan.
rain simulatorspawning triggerDIY build
Practical framework10 min
Plant care in breeding and grow-out tanks
Original AquaNexus guidance on using aquarium plants for cover, grazing and water stability without allowing plant growth to obstruct cleaning, observation or fry access.
aquarium plantsbreeding tanksgrow-out
Operating-system design12 min
The water-testing workflow for multiple aquariums
AquaNexus field notes for a risk-based water-testing route across many tanks, linking results to stocking, feeding, maintenance and recent changes.
water testingmultiple tanksaquarium records
Honest project writing
We will show what is confirmed, what is planned and what still needs proof.
That boundary is part of the value. AquaNexus Field Notes are not polished success stories that erase failed tests, changing inventories or unfinished builds.