[JB NY]

gary faulkner If one of my parameters is not right, I test, dose any additives and retest 24 hours later. Then once everything is correct. I only test once a month. 90% of the time my parameters are almost exactly the same month after month.

Naka I completely agree. I forgot to add that one should strive very hard to not have the parameters vary much, if at all. Stability is a great and powerful thing in a reef tank. Work hard to keep things stable and good things always follow.

For people who are testing junkies, if you are going to do testing more than once a week. I wouldn't do it less than 24 hours apart and I would say to try and test the same time each day.