calcium

[john kusler]

I have a 50 gal reef tank and having trouble with high calcium levels over 500. Have done many water changes of 30% with very little change. I need some help, any suggestions

 

[splunty]

Water changes have negligible impact on calcium.

How old is your tank and what salt mix are you using? Your salt mix may be high in calcium and your tank may not consume enough calcium (yet) which isn't really a bad thing.

Suggest reading the calcium section of this thread:

Optimal Parameters for a Coral Reef Aquarium: By Randy Holmes-Farley

[note: edited on 5/29/2022 to update the nitrate and phosphate sections with higher recommended levels.] One of the main roles of an aquarist with a coral reef aquarium is to ensure that the conditions are right for their tank inhabitants. There are many different attributes of the aquarium...

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