Recif Blog
Practical reef keeping guides on water chemistry, testing routines and troubleshooting.
Reef tank water testing schedule (free tracker template)
How often to test each reef tank parameter, by tank stage, with a free parameter tracking spreadsheet that colour codes readings against your targets.
Free reef tank parameter tracking spreadsheet (Google Sheets and Excel)
A free reef parameter tracking spreadsheet with auto colour coding, editable targets, charts and a maintenance log. Google Sheets or Excel, no email needed.
Nitrite not dropping to zero during a saltwater cycle
A stuck nitrite reading is usually the normal shape of a saltwater cycle, not a failure. Here is how long to wait, what really stalls it, and how to fix it.
How to calculate daily alkalinity consumption in a reef tank
Alkalinity keeps dropping between tests? Here is the exact method to measure your tank's daily consumption in dKH, with worked numbers and a dosing plan.