Justin, the calcium is forced out by the stupid high alkalinity. When one goes way up, the other will come way down. You'll get used to that in time and figure how to balance it.
You need to get your Ca kit back, or take a sample to the lfs. A good water change and some time will smooth everything out. Ensure you're SG is @ 1.026.
It's 12:30am so I'm not going to start typing chem equations, Randy on RC will have them all pre-typed. At the top of the chem forum is a bunch of links to chem related articles by Randy and Craig Bingman....they will tell you exactly why your pH dropped. Do a water change, read some chem, and then decide what to do.
Dorkel, all I mean is that if your adding a alk buffer, wait a good amount of time before trying to get an accurate measurement.
For both of you, probably best to use one of the 2 part solutions, this will keep everything balanced.
__________________
Brad
|