Reef tank blog
Saltwater-only articles: parameters, fish, corals, lighting, cycling, algae & pests, and automation.
- Cycling with Dr Tim's One & Only — practical guide for saltwater reef keepers.By Centridae
- Fishless cycling for reef tanks — practical guide for saltwater reef keepers.By Centridae
- Reef tank cycling explained (marine nitrogen cycle) — practical guide for saltwater reef keepers.By Centridae
- Refractometer calibration with 35-ppt solution, hydrometers, and digital instruments—accuracy matters.
- The Zeovit ultra-low-nutrient approach—zeolite reactor, aminos, bacterial dosing, and color results.By Centridae
- Using organic carbon to feed bacteria that consume NO3/PO4—methods, risks, and monitoring.By Centridae
- How to raise or lower dKH without shocking corals—drip methods, timing, and maximum daily swings.By Centridae
- DI resin types (mixed-bed, color-changing), replacement frequency, and optimizing cartridge life.By Centridae
- How to use a TDS meter, when to replace membranes and DI resin, and inline vs handheld models.