Quote Originally Posted by yagodajm View Post
I have 2 kent marine products, Turbo-calcium and Kalkwasser mix, I got them at a pet store and they mixed them together in a bag and floated it in the tank.
I don't get what you're saying. But, if you want excellent answers to basic reef chemistry questons, like dealing with Calcium and Alkalinity, go to reefcentral.com, then to the reef chemistry forum, then to the sticky "reef chemistry articles" by Randy Holmes-Farley.

http://www.reefcentral.com/forums/sh...hreadid=102605

Turbo calcium is calcium chloride, which is used to raise your calcium level quickly. For 55 gallons of water, you need 11.5 tsp of it to raise the calcium from 300 to 400PPM. Don't add it all at once, break it up into a couple of doses.

Kalkwasser is calcium hydroxide or hydrated lime, which is great for your tank but you need to add it slowly, best with a dosing pump. Read the article on lime by Randy Holmes-Farley.

I don't know what reef calcium is, but I bet it's just calcium chloride dissolved in water.

You do have to worry about carbonate hardness in a reef tank, well actually not so much worry about it, but keep it within a certain range. I don't know what the conversion is for the figure you gave, but you want to be in the 7-11 range on the dkh scale, or somewhere around 3.0-3.5 on the meq/l scale. To get there, baking soda is a fine buffer, and it's cheap.

It's possible to have 0 ammonia and extremely high nitrates; in fact it's pretty common in high fish load tanks.

You're asking some pretty basic questions about reef chemistry, so I bet those articles on reefcentral will really help you out. Have fun!