02-01-2010, 08:45 PM
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Originally Posted by Pasfur
This isn't quite right. Yes, you want to maintain correct levels of calcium and alkalinity to encourage coraline algae growth. Just keep in mind, that alkalinity and calcium do not necessarily have to move together. There are many buffering ions that make up marine saltwater, and calcium just happens to be the dominate element that bonds with carbonates. The reason that balanced products, such as BIonic, are so popular, is that they keep the natural ratio of these major and minor buffering ions in tact.
So, you need to test Calcium in addition to Alkalinity. You will probably find that you dose for Calcium more frequently than buffering for Alkalinity, as calcium is used by coraline algae, corals, and to form carbonates.
Its complicated, but so long as you dose both and test regularly, you will get the hang of it pretty quick.
Sounds like I have some reading to do.
Should I suck up some of that algae and do a water change while I'm still showing some nitrites in the water or should I just let it ride until it drops to zero?