New Water. Numbers need Rescue.

Like some of the others have alluded to, the key to reefing is to do things slowly. It certainly appears that none of your numbers are in a really bad or unsafe range and trying to quickly change things and make the numbers "perfect" is probably going to cause much more harm than just leaving them where they are or working to slowly (over a period of days, at least, or even weeks) trying to move them to where you want them. There is absolutely no reason to put acid in your tank to try to get a specific number on a test kit.

I would suggest starting by slowly trying to get the salinity back where you want it. Replace a little salt water with fresh water each day with the goal being that a week from now (and no sooner) you will be reading 1.025. At that point run your other tests and see where you stand. If things are still not quite where you want them then plan to work on those parameters over the next week or two.

Just remember that quick changes are the enemy and will kill more corals than having a stable system with numbers slightly outside the normal range.
Thanks Bret.
I believe to program calls for about 10 mls of vinegar per day in the 120 gal tank.
I do have a good dosing pump to dose with and can set it as slow as I want.and as a rule,add or subtract salt with the ATO process in the sump
I have to trust BRS that they are offering a good system to reefers. I don't know that for sure but we live and learn. So you don't ever use 2 part ?
Thanks again for your advice.
 
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Use 2 part when you need it..
Don't you only have 1 coral in a fairly new tank? I doubt you need to dose at all..
 
I retested the water for salinity with 2 other calibrated meters and came back with 1.026 ppt. The Milwaukee is consistently 1.035. Guess I need to re evaluate what meter I use.
I would like to add a few more coral shortly.

Yes. I have 1 toadstool and 1 rbta.

tdann1.jpg

coral in moon.jpg
 
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Added 3.3 Tsp of sodium bicarbonate over 2 days to bring the Alk down.
New readings
Ca 400
Mag 1485
Amm 0
Phos .09
Alk 8,79

Any suggestions are very appreciated and needed
 
I'll try once again. Your numbers really aren't bad and you're going to cause more harm trying to make rapid changes to "rescue" something that's not broken. Sodium bicarbonate will only increase alkalinity. The only way it would decrease calcium would be if both alkalinity and calcium were so high that it started to precipitate. But your numbers aren't that high and you really don't want that to happen.

You're going to be much better off in the long run taking your time and making very slow changes. Use 2 part or kalk to bring the numbers up if they are lower than you would like. If they are higher than you would like, then let them drop naturally on their own.
 
I meant to say
I added sodium bicarbonate to take down Calcium.
Alk read 8.79 KH So sorry.

It doesn't do that either.

Didn't you say your Ca is 400ppm? That is perfect, if not slightly low. There has to be a sticky or two on the big 3 for you to read here.
 
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