High Ca and Mg

[AquaVaj]

I guess the previous owner of my 120g was just dumping ca and mg without testing cause they are skyhigh. I reused a lot of the old water, maybe around 80g of it and when I tested a few weeks later Ca was 540 and Mg was over 1500 (highest salifert went). I have done a 25g water change but didn't really seem to drop all that much and I just did another 20g last night. I will test again tonight. My alk was about 9dkh in the first test and 7.5 in the most recent. I'm also using Redsea salt in blue bucket.

 

[joseserrano]

Just let it come down naturally. Things will use it, not a big deal. Keep on eye on your alk and add as needed.

 

[reefes pieces]

Yeah Like Jose said. Just let the tank work it out. Just make sure to keep Alk stable and where you want it to be.

 

[AquaVaj]

I was given a ton of kalk but I should avoid using this since it raises ca too right?

 

[pciscott]

I agree let it come down on its own, keep your alk stable. If you lower your alk from 7 to 9 you will see CA go up, also check your salinity as high salinity will make everything higher.

 

[joseserrano]

Yes. Dont add kalk

 

[beer_brian@hotmail.com]

I had same issue from using Kalk in my ATO because it was building up so much in bottom that concentration just kept raising and went too high.


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