Topics
Water chemistry & parameters
Alkalinity, calcium, salinity, nutrients, dosing, and testing.
28 guides
- Water chemistry & parametersPlumbing a reef system—pipe sizing, bulkheads, unions, check valves, and leak-proof best practices.By Centridae
- Water chemistry & parametersHow to drill glass for a bulkhead overflow—tools, hole-saw selection, tempered-glass checks, and safety.By Centridae
- Water chemistry & parametersSaltwater reef chemistry basics: alkalinity, calcium, magnesium, nitrate, phosphate, salinity, temperature.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 & parametersCalcium's role in coral skeleton building, ideal ranges, testing methods, and supplementation.By Centridae
- Water chemistry & parametersMagnesium stabilizes alkalinity and calcium—when and how to supplement in marine reef systems.By Centridae
- Water chemistry & parametersPhosphate sources, how it interacts with alkalinity, GFO media, and balanced nutrient approaches.
- Water chemistry & parameterspH drivers in marine systems—CO2, alkalinity, photoperiod—and whether to chase a number.By Centridae
- Water chemistry & parametersInstruments (refractometer vs hydrometer), target ranges, calibration, and why consistency matters most.By Centridae
- Water chemistry & parametersOxidation-reduction potential: what it measures, typical ranges, and whether to monitor it.By Centridae
- Water chemistry & parametersWhat ICP-OES measures, how to interpret results, sampling best practices, and which labs to use.By Centridae
- Water chemistry & parametersCalcium chloride + alkalinity buffer: how two-part works, brands, dosing calculators, and when to upgrade.By Centridae
- Water chemistry & parametersHow kalkwasser supplements calcium and alkalinity, dosing via ATO, and pH benefits.By Centridae
- Water chemistry & parametersHow a calcium reactor works—CO2, media, effluent tuning—and when it makes more sense than two-part.By Centridae
- Water chemistry & parametersHans-Werner Balling's three-part + trace system—principles, recipes, and practical adjustments.By Centridae
- Water chemistry & parametersStrontium, iodine, potassium, iron—which traces matter, which are hype, and how to avoid overdosing.By Centridae
- Water chemistry & parametersHow to mix synthetic salt—RODI water, aeration, heating, target salinity, and aging time.By Centridae
- Water chemistry & parametersWhy reverse-osmosis deionized water is essential, unit sizing, membrane life, and TDS targets.By Centridae
- Water chemistry & parametersHow to use a TDS meter, when to replace membranes and DI resin, and inline vs handheld models.
- Water chemistry & parametersDI resin types (mixed-bed, color-changing), replacement frequency, and optimizing cartridge life.By Centridae
- Water chemistry & parametersHow to raise or lower dKH without shocking corals—drip methods, timing, and maximum daily swings.By Centridae
- Water chemistry & parametersUsing organic carbon to feed bacteria that consume NO3/PO4—methods, risks, and monitoring.By Centridae
- Water chemistry & parametersRefractometer calibration with 35-ppt solution, hydrometers, and digital instruments—accuracy matters.
- Water chemistry & parametersDenitrification in reef tanks explained — practical guide for saltwater reef keepers.By Centridae
- Water chemistry & parametersWhen is my reef tank cycled? — practical guide for saltwater reef keepers.By Centridae
- Water chemistry & parametersBiopellets for reef tanks explained — practical guide for saltwater reef keepers.By Centridae
- Water chemistry & parametersBulkhead fitting guide for reef tanks — practical guide for saltwater reef keepers.
- Water chemistry & parametersPeristaltic vs diaphragm dosing pump — practical guide for saltwater reef keepers.By Centridae