Jun 7, 2026
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Jun 7 7:07 PM #158 6 min Point Zero Zero One Per Five Degrees
Reef Aquarium KeepingWent for brass fittings, bought a refractometer and 25 kg of salt instead. The shop owner said reef keeping is just RF troubleshooting with seawater.
code-a-day
Stepping Through the Nitrogen Cycle, 0.1 Hours at a Time
Runge-Kutta Numerical Integration 🔗 Reef Aquarium KeepingWhen your reef tank is a continuous differential equation, you need a way to step through time without lying about the math.