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Hi guys, I'm new here!
I am in the process of converting my fresh water tank into a marine tank.
I have purchased cured live rock which has been in my tank for 5 days and still have seen no signs of life on the rocks are very colourful so Im guessing they are alive but no signs of living creatures.
Also I have been doing constant tests using my API kit on the water which shows some ammonia and nitrates (as expected as the tank water has only been in there for 11 days.) The interesting thing is I decided to test my tap water just to see the difference in the water and my tap water came back with no nitrates or ammonia. Is there something wrong here? Surely tap water should have ammonia and/or nitrates otherwise why use RO water?
Another question I have is regarding water changes. How often should I do changes and how much water should I change?
Many thanks in advance for your help people.
Johnny
0
New Marine Tank Setup
Started By Guest_Johnny_*, Feb 04 2012 01:46 AM
3 replies to this topic
#2
Posted 04 February 2012 - 08:37 AM
Hi live rock can take a little while to show life.Ro water strips out more than ammonia and nitrates things like copper.Water changes are normally carried out weekkly at about 10% of water quantity.
Steve
Steve
Edited by Steve S, 04 February 2012 - 08:38 AM.
#4
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Posted 04 February 2012 - 02:41 PM
Quote
Surely tap water should have ammonia and/or nitrates otherwise why use RO water?
It depends on your water company and the filtration practices they use. Some have higher levels than others.
RO water not only strips out ammonia and nitrate, but shedloads of other invisible contaminants like bacteria, phosphate and metals.
The live rock has creatures and bacteria too small to be seen with the eye - that is what is giving you the reading traces and what is needed for the cycle to commence.
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