Reef tank blog
Saltwater-only articles: parameters, fish, corals, lighting, cycling, algae & pests, and automation.
- Equipment & automationWhy reef tanks need tight temperature bands, heater/chiller strategies, and controller fail-safes.By Centridae
- Water chemistry & parametersInstruments (refractometer vs hydrometer), target ranges, calibration, and why consistency matters most.By Centridae
- Water chemistry & parameterspH drivers in marine systems—CO2, alkalinity, photoperiod—and whether to chase a number.By Centridae
- Water chemistry & parametersPhosphate sources, how it interacts with alkalinity, GFO media, and balanced nutrient approaches.
- CoralsNitrate sources, acceptable ranges for corals, reduction methods, and why ultra-low is not always better.By Centridae
- Water chemistry & parametersMagnesium stabilizes alkalinity and calcium—when and how to supplement in marine reef systems.By Centridae
- Water chemistry & parametersCalcium's role in coral skeleton building, ideal ranges, testing methods, and supplementation.By Centridae
- Water chemistry & parametersWhat alkalinity is, why it matters for coral growth, how to test, and how to dose safely.By Centridae
- Water chemistry & parametersSaltwater reef chemistry basics: alkalinity, calcium, magnesium, nitrate, phosphate, salinity, temperature.By Centridae