Ok, I have seen several people here getting their parameters twisted around backwards and upside down dosing for Calcium and Alk. The Question is when do you think it is necessary to dose, what should you dose, and what should you know before you start. By when is it necessary I am...

hi sorry to revive this thread but i just checked my mag and calc and they are abit high i think. calc 475 mag 1370 are these levels ok? just would like to make sure. also i have a temp issue in the morning the temp is 76.7 and by the afternoon its 77.4, evening then 77.5 to 78 at night just...

I would like to know what you are using to supplement the Calcium and Alkalinity. I currently use Bio Calcium from Tropic Marin and I go through a 64oz in no time. I have a 125gal reef with a lot of corals and I have to add 5+ scoops at night just to keep my parameters at 400Cal and 9dkh...

I'm trying to find a cheap DIY way to add Calc and Magnesium to my reef tank. I have a 60 gal mixed reef with a 10 gal sump. I do have a five gallon jug for A.T.O and use the Aqua Lifter Pump with a float valve to turn on/off. Is there any way I could add supplements to the ATO container? If...

I had seachems reef advantage calcium stored in my cool basement for over a year and today when i mixed it with water to add to my tank i noticed it smelled bad, like rotting eggs. does that mean it went bad? i poured it down the sink and didnt use it. what is the shelf life of most additives...

I've just started checking my calc and alk in the last few weeks. Good thing too...calc was 500 and alk was 4.:doh: I used the ESV alk additive to bring it up to 7 over the last 1.5 weeks. I stopped dosing for a few days and just tested to see how much it drops at a time. In 3 days it...