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I guess that would depend on the quality of your synthetic salt mixture. I question that as well, but then again, I don’t test for trace elements, so I don’t know if my IO replenishes trace elements or not.I see a argue for WC here (and everywhere else) that it is good for replenish elements. I think that trace elements is very important for a good reef aquarium - but I can´t see how you can guarantee it with WC and commercial synthetic salt mixtures. Please explain that for me
MVH Lasse
No - but I have a 20 cm DSB with remote flow in the refugium that is also my first overflow.Aren’t you the one with 10cm of detritus in your overflow?
that´s my second consideration - which are those "pollutants" and how does they affect my system?inevitable "pollutants" actively and passively introduced into the system
I see a argue for WC here (and everywhere else) that it is good for replenish elements. I think that trace elements is very important for a good reef aquarium - but I can´t see how you can guarantee it with WC and commercial synthetic salt mixtures. Please explain that for me
MVH Lasse
1. How often do you "change out your water" in your reef tank, what percent and how many gallons is your system? Or do you even?
2. How important or not important do you think water changes are for your reef tank?
Yes - but I still not understand - how can a WC with a dry synthetic salt guarantee that I get these types of trace (and some macros) in wanted concentrations? Hint 1 - I want NSW with 2 µg/l (2 ppb) manganese (it means 2 µg in each litre. In average - it is around 38 - 40 gram synthetic salt to each litre of saltwater) - and I want 8 mg/l (ppm) of strontium in this litre of perfect sea water-water changes as replenishment are simply a different form of dosing
LOL. No that's just evaporation.So, I live in Arizona, and especially in the summer, it’s very dry. I have a 150 gal, and lose roughly 15%-20% to evaporation each week. I have a 10 gallon auto top off, and refill it twice a week. That suffices for a “water change”, right.