Quote:
Originally Posted by Sk8r
7.9 is the bottom of the range and 9 is the top end.
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I'd have to argue that statement.. or request that you clarify the reasons you stated that vs potentially causing confusion when a newbie measures 10dKH and now starts freaking out..
One BIG reason being that the typical ocean value is 7dKH..
Also many salt mixes mix up way higher than 9..
In general whats commonly been recommended is 7-11dKH..
http://www.reefkeeping.com/issues/2004-05/rhf/index.php
Some salt mixes can be into the 12-13dKH range to help reinstate the desired alkalinity level due to consumption by corals,etc...
I am fully aware of why you stated that range.. I'm not sure that attempting to educate in a new user forum without clarification on why you have posted those numbers is the correct way to go about it though.
From my experience stability in parameters is more important than a specific number also..