Melissajk
Aquarium Advice Freak
I was using Oceanic salt and when I checked my levels, the calcium was alway 450 or higher. In never changd, but the alkinity always dropped very low. I talked to a different lfs and he said with oceanic and the reef crystals the calcium is always high because the corals have a hard time absorbing it. He said that Red sea pro is better and corals will absorb the nutrients easier. I have been using red sea for 2 months now and when I check the levels, my calcium, magnesium and alk get low, so I'm dosing a couple times a week. I have a 120 gallon tank and do water changes 25 gallons every week. What is your opinion on this.
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