JeF4y;604196 wrote: Salinity every 3 weeks when I do a water change.
pH is measured with probes in ca reactor and display
Other than that, Nothing unless there is a problem or something looks off (corals don't open, or look "off", etc).
A few months ago I had issues with my CA reactor, so I was testing CA/ALK daily. Other than that, only as required which is maybe 2-3x per year.
JeF4y;604208 wrote: My tank is very consistent and when something gets off it's quickly noticed. Your tank may be different, but if your test results are the same week after week, and you're not adding anything, why bother?
gmpolan;604216 wrote:
CA/ALK/MG about once or twice a month pending on how much im messing with dosing or additional equipment that affects these.