Reef tank blog
Saltwater-only articles: parameters, fish, corals, lighting, cycling, algae & pests, and automation.
- Water chemistry & parametersCalcium chloride + alkalinity buffer: how two-part works, brands, dosing calculators, and when to upgrade.By Centridae
- Reef keeping essentialsWhich Hanna instruments to buy, calibration tips, cuvette care, and when colorimeters beat liquid kits.By Centridae
- LightingLiquid tests vs Hanna checkers vs titration kits—accuracy, cost, and ease of use.By Centridae
- Water chemistry & parametersWhat ICP-OES measures, how to interpret results, sampling best practices, and which labs to use.By Centridae
- Reef keeping essentialsWhy oxygen matters, surface agitation, skimmer contribution, and signs of low O2.By Centridae
- Water chemistry & parametersOxidation-reduction potential: what it measures, typical ranges, and whether to monitor it.By Centridae
- 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