Quote:
Originally Posted by untamed
Typically, this is just normal usage of Ca/Alk. This is visible in dropping Alk due to the abundance of available Ca in general. The solution is to increase the Ca AND Alk additives to keep up with demand.
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My calc remains fairly stable since I do frequent, moderate sized water changes and I've never found I've had to dose for Calc. If I get the tank to the levels I want, can I start dosing something like kalk to keep them steady or will I find that calc will build up with respect to my alk levels? I do have a bucket of Kalk that someone gave to me that I have been wanton to try but totally sure how to begin (I know the procedure, just unsure how it would affect the tank).
Quote:
Originally Posted by Reefer Rob
As long a it's a constant alk depletion rather than random swings cause by a precipitation event or something else weird you're good to go. SPS tanks always seem to use more alk than ca. Randy explains this in one of his articles, but I forget the reason  |
Thanks Rob! I'll look for that article/quote and post it up. I have't observed any major precipitation events so it's probably just uptake causing the drop in levels. I was just baffled that the alk would drop so fast compared to the calc.