adding calcium

Discussion in 'Water Chemistry' started by mac77, Jul 26, 2006.

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  1. mac77

    mac77 Plankton

    Apr 14, 2005
    I have been adding liquid calcium to my tank by using the wet and dry filter.But today I decided to add the calcium in the tank direct, later today I noticed that the area where I added the calcium the coralline turned white, was that cause by the addition of the calcium? or not.
    I also noticed that my small polys didnt open today, they are still closed, was that caused by the liquid calcium also, adding it directly to the tank?
    Should I only use the sump to add the additives?
    Any advised will be appreciate. thank you in advance, you guys had help me a lot, thanks.