BIonic

I used it for years before I started making my own 2 part. The only thing I ever used with it was the occasional magnesium supplement to boost levels. I always kept calcium chloride and baking soda to boost calcium or alkalinity and used B-Ionic to maintain those levels.
 
That all depends upon the demand. Unless you have a lot of corals or your levels shift drastically, you shouldn't have to add it everyday. That is why you want a test kit to verify how much and how often you need to add.
 
i have a 75g and i add 20ml every other day i have 2 anenomes small rock with some polyps and about 60lbs of live rock and it seems like my cal level stays around 380 and hardness around 8 is that normal or should i add it everyday ? thanks
 
Those calcium levels are at the edge of the recommended range and the alkalinity isn't terribly high, so if you increase the frequency, it might boost the levels a bit more. If not, go back to the usual frequency and simply add 5 more mL per dose. In each case, test to see where it lands you.
 
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