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We have a big 105 gallon (400L) coldwater tank that's overstuffed because the zoology instructors went nuts. We have a super efficient bio filter so the nitrogen waste numbers are great but I'm concerned about the carbonate levels with all of those new molluscs and other shellmakers in there. What kind of numbers am I looking for here? Also the guy I'm filling in for suggested adding CaCO3 solution to it if the carbonate hardness goes out of whack but I don't know how much I should be throwing in. I don't want to accidentally end up with 400 liters of cold salty acid 
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Jan 18, 2018 22:08
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| # ¿ May 6, 2024 10:48 |
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DeadlyMuffin posted:You can use a two-part method to individually adjust Calcium and alkalinity, but they're coupled (along with pH). This write-up is helpful: http://reefkeeping.com/issues/2006-02/rhf/index.php Whoops sorry I forgot about this thread for some reason. Rather than mess with the calcium I decided to just make time for a water change. I'll try to get pictures if I remember but there's a pretty wild complex of bioballs and other such bacteria media near where the animal chamber drains, and down in the refugium there's a jungle of algae that keeps things under wraps too. The last tech decided to overhaul the thing for the expressed purpose of dealing with the zoology load every winter. The guy that we call to service the tank was quite impressed with it.
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Jan 26, 2018 06:24
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