Concerned with Calcium part two

Well, I purchased the basic supplies..$7.00 Epsom Salt, Baking Soda, Borax.
Put in 1/2 cup Epsom salt @ 10:30 am raised Mg from 1290 to 1360 waited about 3 hours and @ 1:30 pm I added one measured teaspoon,slightly heaped but not crazy over 1 tsp. of the 4:1 soda,borax mixture to a beaker of tank water to dissolve and introduced to sump....noticed that some of the corals did a little tightening up after the MAG UP...but loosened up and went to a very nice state after the soda/borax buffer was added
Tested water @ 8:00 am this morning.
Results as follows...

WAS IS

Ca2=560 Ca2=520
No2=0 No2=0
Po4=0 Po4=0
PH=8.0 Ph=7.8 added some buffer will check again this evening.
Nh3=0 Nh3=0
dKH=10 dKH=11
No3=0 No3=0
Mg=1280 Mg=1290
Alk=2.0 Alk2.8
Salt=1.028 Salt=1.027
Temp=79 Temp=78
So in closing, I do believe that the basic chemicals required to stabilize these condition mentioned in the front of this post can be handled with these simple household products, without any adverse effects. But it must also be noted that testing/dosing using this method must be done with care and extreme caution. (no label to read) : )
Thanx for your assitance..
LG

 

Cool... Just do'n some more learn'n....chemistry....great. : )
Thanx for the feedback.
BTW...Hows the snow? lol
LG