Ca Overdose

dirtie

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I was doing some maintenance and accidentally turned on my Ca doser. Emptied a full reservoir (month worth of Ca) into the tank. My Ca is now at 820.

My dKH is holding strong somehow. Mg as well. I'm monitoring both. Fish seem to be okay. Corals are a little dull and less PE than normal. I'm about 12 hrs in at the moment.

I did a 25% water change to bring the level down some. I believe I'll need 3 more of those to get the levels reasonable. I'm adding nitrate and phosphate to the new water to match current water so as I don't remove all nutrients.

So my question is do you need to wait (a few days, a week?) to do another large water change. I'm worried about bacteria etc. being depleted, or anything else that could be a problem that i'm not thinking of for multiple large water changes in a short time.
 

TokenReefer

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I've been under the impression that while perhaps some bacteria are in the water column the majority are attached to surfaces. Because of this (presumption), I wouldn't be wary of large water changes when necessary
 

Troylee

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I've been under the impression that while perhaps some bacteria are in the water column the majority are attached to surfaces. Because of this (presumption), I wouldn't be wary of large water changes when necessary
Pretty much nailed it! You can do a 100% water change without any harm or cycle.. the rocks are the heart beat.
 

When to mix up fish meal: When was the last time you tried a different brand of food for your reef?

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