03-07-2010, 07:19 AM
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Originally Posted by DYHamazon
calcium 340 (again..)
My calcium won't stay around 400. It keeps dropping to around 340. Is that normal? I've been adding the liquid calcium every other day. It seems to be dropping too fast, when theres nothing in the tank to use it up. Maybe I'm still doing the calcium test wrong, but i doubt it. *shrugs*
You need to buffer your alkalinity up in order for your calcium to stay higher. What product are you using?
If this was my tank, for example, I would add the recommended dose of Kent Marine Super Buffer DKH this morning. Tonight I would add Calcium Chloride. This will allow both alkalinity and calcium to rise together, which is what should happen.
If you are using the BIonic products, then add both parts this morning and retest tonight.
Another point of concern is nitrates, which are pushing the limits. I would not be concerned just yet, but before you add livestock you will need to see nitrates drop naturally or you will need to do a large water change. Hopefully the deep sand bed will allow for good denitrification to occur soon and the nitrates will drop naturally.