Reef tank blog
Saltwater-only articles: parameters, fish, corals, lighting, cycling, algae & pests, and automation.
- Water chemistry & parametersUsing organic carbon to feed bacteria that consume NO3/PO4—methods, risks, and monitoring.By Centridae
- Water chemistry & parametersHow to raise or lower dKH without shocking corals—drip methods, timing, and maximum daily swings.By Centridae
- Water chemistry & parametersDI resin types (mixed-bed, color-changing), replacement frequency, and optimizing cartridge life.By Centridae
- Water chemistry & parametersHow to use a TDS meter, when to replace membranes and DI resin, and inline vs handheld models.
- Water chemistry & parametersWhy reverse-osmosis deionized water is essential, unit sizing, membrane life, and TDS targets.By Centridae
- LightingPopular salt mixes reviewed—Red Sea, Fritz, Tropic Marin, Instant Ocean—elevated vs standard formulas.By Centridae
- Water chemistry & parametersHow to mix synthetic salt—RODI water, aeration, heating, target salinity, and aging time.By Centridae
- Filtration & maintenanceWater change schedules, volume percentages, and when parameters + ICP data justify more (or fewer) changes.By Centridae
- Water chemistry & parametersStrontium, iodine, potassium, iron—which traces matter, which are hype, and how to avoid overdosing.By Centridae