Everything your tank demands.
Most aquarium sites have a database or a calculator or a community. SpawnOS is all of them, built to work together.
20+ Species Database
Every species guide is 2,000–5,000 words of real care science — water parameters, breeding protocols, disease identification, compatible tankmates.
15 Free Calculators
GH/KH converter, nitrogen cycle tracker, tank volume, water change planner, heater & filter sizing, stocking density, medication dosing, and more.
AI Aquarium Intelligence
Ask anything. Fish care, compatibility, water chemistry, breeding triggers, disease diagnosis. GPT-4o trained on the SpawnOS knowledge base.
Breeder Dashboard
Fish registry, pair builder, spawn tracker, genetics engine, lineage tree, survival analytics. A real operating system for your breeding operation.
Not a Wikipedia summary.
Every guide is peer-reviewed parameters, real breeding protocols, and disease identification written from primary sources — not aggregated pet-store advice.
Blackwater Aquatics Canada
SpawnOS is built by Blackwater Aquatics — a Canadian aquarium brand that actually keeps fish. Every live food product recommendation in the AI comes from products we use and sell, not affiliate links.
High-protein amphipods that trigger natural hunting behavior. The single best upgrade for betta and cichlid keepers.
Natural digestive health food. Gets picky or recovering fish eating when nothing else works.
The best first food for fry. Live movement means fry find it. Powdered food cannot compete.
Canadian-bred Neocaridina. Clean stock, healthy colony genetics, ships across Canada.
Free tools. No tricks.
Every calculator and every species guide stays free forever. Pro and Breeder unlock the dashboard, unlimited AI, and your public breeder profile — when you need them.
Unlimited AI, full breeder dashboard, genetics engine, parameter logging.
Start Pro — Free 14 DaysStop guessing.
Start knowing.
Every tool you need. Every species guide you want. An AI that actually knows aquariums. Free to start. No credit card.