Articles tagged: aragonite
- Practice
Substrate in practice — three choices and the one dangerous middle ground
DSB, SSB or bare bottom — a practical comparison of three options, cleanup crew by substrate type, and the middle ground to avoid.
- Deep dive
Substrate — from redox gradients to H₂S chemistry and Jaubert's plenum
Sand's redox stratification, anaerobic denitrification zones, H₂S chemistry, meiofauna and Jaubert's plenum method.
- Basics
Magnesium — the invisible stability mechanism
Why seawater contains so much magnesium, its role in aragonite crystallisation and calcium solubility, and how its depletion shows up in the tank.