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system is 120 gallon, I use Kalk (8 tsp for 5 gallon RODI) for ATO, and supplement manual dosing Ca, Alk and Mg (no doser yet). It's 5 months old system, have mixed LPS and SPS, zoas and soft coral. Current parameter:
Alk: 8.4
Ca: 410
Mg: 1,280
pH: 8.2
Question: I notice that my Ca fairly stable, even if I don't dose any Ca (just from my Kalk ATO), but my Alk varied quiet a bit, I noticed couple days ago was 9.3 then 2 days without dosing Alk, it went down to 8.4 (is this possible with Kalk ATO?).
Second question, I dose with Red Sea Mg, seems my level stable at 1,280 even with daily dosing, it won't increase much. Is this normal?
Thanks all
Alk: 8.4
Ca: 410
Mg: 1,280
pH: 8.2
Question: I notice that my Ca fairly stable, even if I don't dose any Ca (just from my Kalk ATO), but my Alk varied quiet a bit, I noticed couple days ago was 9.3 then 2 days without dosing Alk, it went down to 8.4 (is this possible with Kalk ATO?).
Second question, I dose with Red Sea Mg, seems my level stable at 1,280 even with daily dosing, it won't increase much. Is this normal?
Thanks all