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Old 04-25-2015, 05:08 PM
Metrontech Metrontech is offline
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Default calcium carbonate

I purchase pharmaceutical grade from a guy here in the city

Its pure calcium carbonate

Also using Reef Crystals with the MAG and CAL added

Just did a 15 GALLON water change, I will do my reg testing later

Thanks again

Quote:
Originally Posted by Aquattro View Post
Not bad per se, but not needed. Ca on a reef is about 380ish. That's all you NEED. We keep it a bit higher in tanks to account for any sudden drops that might happen, giving us some wiggle room. Aiming for 400-420 is fine and leaves you that room.
What salt are you using, and how did you get to 450?
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